Home / 25,340,988.66-38,012,962.05-9,778,899.30

Finding the Fourth Proportional to 25,340,988.66, 38,012,962.05 and 9,778,899.30

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Solution

The fourth proportional to 25,340,988.66, 38,012,962.05 and 9,778,899.30 is: 14,668,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340,988.66 : 38,012,962.05 = 9,778,899.30 : x
  2. Step 2: Convert to fraction form
    25,340,988.66/38,012,962.05 = 9,778,899.30/x
  3. Step 3: Cross multiply
    25,340,988.66x = 38,012,962.05 × 9,778,899.30
  4. Step 4: Simplify right side
    25,340,988.66x = 371,724,927,981,671.56
  5. Step 5: Solve for x
    x = 371,724,927,981,671.56/25,340,988.66
  6. Step 6: Final answer
    x = 14,668,919.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.