Home / 20,750,337.60-31,125,506.40-20,466,902.40

Finding the Fourth Proportional to 20,750,337.60, 31,125,506.40 and 20,466,902.40

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Solution

The fourth proportional to 20,750,337.60, 31,125,506.40 and 20,466,902.40 is: 30,700,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750,337.60 : 31,125,506.40 = 20,466,902.40 : x
  2. Step 2: Convert to fraction form
    20,750,337.60/31,125,506.40 = 20,466,902.40/x
  3. Step 3: Cross multiply
    20,750,337.60x = 31,125,506.40 × 20,466,902.40
  4. Step 4: Simplify right side
    20,750,337.60x = 637,042,701,639,375.25
  5. Step 5: Solve for x
    x = 637,042,701,639,375.25/20,750,337.60
  6. Step 6: Final answer
    x = 30,700,353.60

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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.