Home / 13,514,389.90-18,650,159.20-7,713,055.28

Finding the Fourth Proportional to 13,514,389.90, 18,650,159.20 and 7,713,055.28

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Solution

The fourth proportional to 13,514,389.90, 18,650,159.20 and 7,713,055.28 is: 10,644,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,389.90 : 18,650,159.20 = 7,713,055.28 : x
  2. Step 2: Convert to fraction form
    13,514,389.90/18,650,159.20 = 7,713,055.28/x
  3. Step 3: Cross multiply
    13,514,389.90x = 18,650,159.20 × 7,713,055.28
  4. Step 4: Simplify right side
    13,514,389.90x = 143,849,708,890,400.56
  5. Step 5: Solve for x
    x = 143,849,708,890,400.56/13,514,389.90
  6. Step 6: Final answer
    x = 10,644,188.15

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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.