Home / 15,423,099.28-21,264,957.48-12,514,253.20

Finding the Fourth Proportional to 15,423,099.28, 21,264,957.48 and 12,514,253.20

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Solution

The fourth proportional to 15,423,099.28, 21,264,957.48 and 12,514,253.20 is: 17,254,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,099.28 : 21,264,957.48 = 12,514,253.20 : x
  2. Step 2: Convert to fraction form
    15,423,099.28/21,264,957.48 = 12,514,253.20/x
  3. Step 3: Cross multiply
    15,423,099.28x = 21,264,957.48 × 12,514,253.20
  4. Step 4: Simplify right side
    15,423,099.28x = 266,115,062,191,953.94
  5. Step 5: Solve for x
    x = 266,115,062,191,953.94/15,423,099.28
  6. Step 6: Final answer
    x = 17,254,318.17

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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.