Home / 12,065,527.60-18,098,291.40-9,939,763.60

Finding the Fourth Proportional to 12,065,527.60, 18,098,291.40 and 9,939,763.60

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Solution

The fourth proportional to 12,065,527.60, 18,098,291.40 and 9,939,763.60 is: 14,909,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065,527.60 : 18,098,291.40 = 9,939,763.60 : x
  2. Step 2: Convert to fraction form
    12,065,527.60/18,098,291.40 = 9,939,763.60/x
  3. Step 3: Cross multiply
    12,065,527.60x = 18,098,291.40 × 9,939,763.60
  4. Step 4: Simplify right side
    12,065,527.60x = 179,892,738,079,913.03
  5. Step 5: Solve for x
    x = 179,892,738,079,913.03/12,065,527.60
  6. Step 6: Final answer
    x = 14,909,645.40

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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.