Home / 15,320,411.16-21,142,162.17-8,445,008.04

Finding the Fourth Proportional to 15,320,411.16, 21,142,162.17 and 8,445,008.04

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Solution

The fourth proportional to 15,320,411.16, 21,142,162.17 and 8,445,008.04 is: 11,654,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320,411.16 : 21,142,162.17 = 8,445,008.04 : x
  2. Step 2: Convert to fraction form
    15,320,411.16/21,142,162.17 = 8,445,008.04/x
  3. Step 3: Cross multiply
    15,320,411.16x = 21,142,162.17 × 8,445,008.04
  4. Step 4: Simplify right side
    15,320,411.16x = 178,545,729,508,633.84
  5. Step 5: Solve for x
    x = 178,545,729,508,633.84/15,320,411.16
  6. Step 6: Final answer
    x = 11,654,108.21

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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.