Home / 18,195,310.22-25,109,649.50-9,935,429.86

Finding the Fourth Proportional to 18,195,310.22, 25,109,649.50 and 9,935,429.86

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Solution

The fourth proportional to 18,195,310.22, 25,109,649.50 and 9,935,429.86 is: 13,710,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,310.22 : 25,109,649.50 = 9,935,429.86 : x
  2. Step 2: Convert to fraction form
    18,195,310.22/25,109,649.50 = 9,935,429.86/x
  3. Step 3: Cross multiply
    18,195,310.22x = 25,109,649.50 × 9,935,429.86
  4. Step 4: Simplify right side
    18,195,310.22x = 249,475,161,416,434.06
  5. Step 5: Solve for x
    x = 249,475,161,416,434.06/18,195,310.22
  6. Step 6: Final answer
    x = 13,710,959.49

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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.