Home / 20,119,339.52-27,703,204.08-15,164,979.20

Finding the Fourth Proportional to 20,119,339.52, 27,703,204.08 and 15,164,979.20

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Solution

The fourth proportional to 20,119,339.52, 27,703,204.08 and 15,164,979.20 is: 20,881,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119,339.52 : 27,703,204.08 = 15,164,979.20 : x
  2. Step 2: Convert to fraction form
    20,119,339.52/27,703,204.08 = 15,164,979.20/x
  3. Step 3: Cross multiply
    20,119,339.52x = 27,703,204.08 × 15,164,979.20
  4. Step 4: Simplify right side
    20,119,339.52x = 420,118,513,646,555.06
  5. Step 5: Solve for x
    x = 420,118,513,646,555.06/20,119,339.52
  6. Step 6: Final answer
    x = 20,881,327.30

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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.