Home / 15,614,858.10-21,549,177.66-8,645,535.78

Finding the Fourth Proportional to 15,614,858.10, 21,549,177.66 and 8,645,535.78

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Solution

The fourth proportional to 15,614,858.10, 21,549,177.66 and 8,645,535.78 is: 11,931,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,858.10 : 21,549,177.66 = 8,645,535.78 : x
  2. Step 2: Convert to fraction form
    15,614,858.10/21,549,177.66 = 8,645,535.78/x
  3. Step 3: Cross multiply
    15,614,858.10x = 21,549,177.66 × 8,645,535.78
  4. Step 4: Simplify right side
    15,614,858.10x = 186,304,186,489,106.66
  5. Step 5: Solve for x
    x = 186,304,186,489,106.66/15,614,858.10
  6. Step 6: Final answer
    x = 11,931,212.27

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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.