Home / 18,489,210.74-25,514,177.21-10,116,399.30

Finding the Fourth Proportional to 18,489,210.74, 25,514,177.21 and 10,116,399.30

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Solution

The fourth proportional to 18,489,210.74, 25,514,177.21 and 10,116,399.30 is: 13,960,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489,210.74 : 25,514,177.21 = 10,116,399.30 : x
  2. Step 2: Convert to fraction form
    18,489,210.74/25,514,177.21 = 10,116,399.30/x
  3. Step 3: Cross multiply
    18,489,210.74x = 25,514,177.21 × 10,116,399.30
  4. Step 4: Simplify right side
    18,489,210.74x = 258,111,604,358,996.28
  5. Step 5: Solve for x
    x = 258,111,604,358,996.28/18,489,210.74
  6. Step 6: Final answer
    x = 13,960,120.20

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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.