Home / 39,744,000.80-59,616,001.20-12,820,378.40

Finding the Fourth Proportional to 39,744,000.80, 59,616,001.20 and 12,820,378.40

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Solution

The fourth proportional to 39,744,000.80, 59,616,001.20 and 12,820,378.40 is: 19,230,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744,000.80 : 59,616,001.20 = 12,820,378.40 : x
  2. Step 2: Convert to fraction form
    39,744,000.80/59,616,001.20 = 12,820,378.40/x
  3. Step 3: Cross multiply
    39,744,000.80x = 59,616,001.20 × 12,820,378.40
  4. Step 4: Simplify right side
    39,744,000.80x = 764,299,694,078,854.12
  5. Step 5: Solve for x
    x = 764,299,694,078,854.12/39,744,000.80
  6. Step 6: Final answer
    x = 19,230,567.60

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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.