Home / 14,980,066.68-20,693,655.18-11,920,366.20

Finding the Fourth Proportional to 14,980,066.68, 20,693,655.18 and 11,920,366.20

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Solution

The fourth proportional to 14,980,066.68, 20,693,655.18 and 11,920,366.20 is: 16,466,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980,066.68 : 20,693,655.18 = 11,920,366.20 : x
  2. Step 2: Convert to fraction form
    14,980,066.68/20,693,655.18 = 11,920,366.20/x
  3. Step 3: Cross multiply
    14,980,066.68x = 20,693,655.18 × 11,920,366.20
  4. Step 4: Simplify right side
    14,980,066.68x = 246,675,947,762,126.91
  5. Step 5: Solve for x
    x = 246,675,947,762,126.91/14,980,066.68
  6. Step 6: Final answer
    x = 16,466,945.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.