Home / 14,566,663.28-20,104,019.16-8,128,550

Finding the Fourth Proportional to 14,566,663.28, 20,104,019.16 and 8,128,550

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Solution

The fourth proportional to 14,566,663.28, 20,104,019.16 and 8,128,550 is: 11,218,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566,663.28 : 20,104,019.16 = 8,128,550 : x
  2. Step 2: Convert to fraction form
    14,566,663.28/20,104,019.16 = 8,128,550/x
  3. Step 3: Cross multiply
    14,566,663.28x = 20,104,019.16 × 8,128,550
  4. Step 4: Simplify right side
    14,566,663.28x = 163,416,524,943,018
  5. Step 5: Solve for x
    x = 163,416,524,943,018/14,566,663.28
  6. Step 6: Final answer
    x = 11,218,528.35

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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.