Home / 15,327,746.25-21,152,800.62-8,358,805.22

Finding the Fourth Proportional to 15,327,746.25, 21,152,800.62 and 8,358,805.22

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Solution

The fourth proportional to 15,327,746.25, 21,152,800.62 and 8,358,805.22 is: 11,535,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327,746.25 : 21,152,800.62 = 8,358,805.22 : x
  2. Step 2: Convert to fraction form
    15,327,746.25/21,152,800.62 = 8,358,805.22/x
  3. Step 3: Cross multiply
    15,327,746.25x = 21,152,800.62 × 8,358,805.22
  4. Step 4: Simplify right side
    15,327,746.25x = 176,812,140,134,311.25
  5. Step 5: Solve for x
    x = 176,812,140,134,311.25/15,327,746.25
  6. Step 6: Final answer
    x = 11,535,429.75

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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.