Home / 29,275,312.29-40,400,168.76-16,222,789.64

Finding the Fourth Proportional to 29,275,312.29, 40,400,168.76 and 16,222,789.64

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Solution

The fourth proportional to 29,275,312.29, 40,400,168.76 and 16,222,789.64 is: 22,387,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,275,312.29 : 40,400,168.76 = 16,222,789.64 : x
  2. Step 2: Convert to fraction form
    29,275,312.29/40,400,168.76 = 16,222,789.64/x
  3. Step 3: Cross multiply
    29,275,312.29x = 40,400,168.76 × 16,222,789.64
  4. Step 4: Simplify right side
    29,275,312.29x = 655,403,439,011,978.75
  5. Step 5: Solve for x
    x = 655,403,439,011,978.75/29,275,312.29
  6. Step 6: Final answer
    x = 22,387,581.47

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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.