Home / 15,423,097.28-21,264,954.72-12,514,251.20

Finding the Fourth Proportional to 15,423,097.28, 21,264,954.72 and 12,514,251.20

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Solution

The fourth proportional to 15,423,097.28, 21,264,954.72 and 12,514,251.20 is: 17,254,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,097.28 : 21,264,954.72 = 12,514,251.20 : x
  2. Step 2: Convert to fraction form
    15,423,097.28/21,264,954.72 = 12,514,251.20/x
  3. Step 3: Cross multiply
    15,423,097.28x = 21,264,954.72 × 12,514,251.20
  4. Step 4: Simplify right side
    15,423,097.28x = 266,114,985,122,705.62
  5. Step 5: Solve for x
    x = 266,114,985,122,705.62/15,423,097.28
  6. Step 6: Final answer
    x = 17,254,315.41

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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.