Home / 18,235,425.60-27,353,138.40-13,983,897.60

Finding the Fourth Proportional to 18,235,425.60, 27,353,138.40 and 13,983,897.60

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Solution

The fourth proportional to 18,235,425.60, 27,353,138.40 and 13,983,897.60 is: 20,975,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235,425.60 : 27,353,138.40 = 13,983,897.60 : x
  2. Step 2: Convert to fraction form
    18,235,425.60/27,353,138.40 = 13,983,897.60/x
  3. Step 3: Cross multiply
    18,235,425.60x = 27,353,138.40 × 13,983,897.60
  4. Step 4: Simplify right side
    18,235,425.60x = 382,503,486,424,227.81
  5. Step 5: Solve for x
    x = 382,503,486,424,227.81/18,235,425.60
  6. Step 6: Final answer
    x = 20,975,846.40

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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.