Home / 8,920,728.05-12,310,856.97-5,053,248.05

Finding the Fourth Proportional to 8,920,728.05, 12,310,856.97 and 5,053,248.05

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Solution

The fourth proportional to 8,920,728.05, 12,310,856.97 and 5,053,248.05 is: 6,973,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,728.05 : 12,310,856.97 = 5,053,248.05 : x
  2. Step 2: Convert to fraction form
    8,920,728.05/12,310,856.97 = 5,053,248.05/x
  3. Step 3: Cross multiply
    8,920,728.05x = 12,310,856.97 × 5,053,248.05
  4. Step 4: Simplify right side
    8,920,728.05x = 62,209,813,977,481.41
  5. Step 5: Solve for x
    x = 62,209,813,977,481.41/8,920,728.05
  6. Step 6: Final answer
    x = 6,973,625.21

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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.