Home / 20,229,801.60-30,344,702.40-18,555,762.45

Finding the Fourth Proportional to 20,229,801.60, 30,344,702.40 and 18,555,762.45

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Solution

The fourth proportional to 20,229,801.60, 30,344,702.40 and 18,555,762.45 is: 27,833,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,801.60 : 30,344,702.40 = 18,555,762.45 : x
  2. Step 2: Convert to fraction form
    20,229,801.60/30,344,702.40 = 18,555,762.45/x
  3. Step 3: Cross multiply
    20,229,801.60x = 30,344,702.40 × 18,555,762.45
  4. Step 4: Simplify right side
    20,229,801.60x = 563,069,089,350,344.88
  5. Step 5: Solve for x
    x = 563,069,089,350,344.88/20,229,801.60
  6. Step 6: Final answer
    x = 27,833,643.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.