Home / 8,989,712.59-12,409,176.97-5,892,435.47

Finding the Fourth Proportional to 8,989,712.59, 12,409,176.97 and 5,892,435.47

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Solution

The fourth proportional to 8,989,712.59, 12,409,176.97 and 5,892,435.47 is: 8,133,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,712.59 : 12,409,176.97 = 5,892,435.47 : x
  2. Step 2: Convert to fraction form
    8,989,712.59/12,409,176.97 = 5,892,435.47/x
  3. Step 3: Cross multiply
    8,989,712.59x = 12,409,176.97 × 5,892,435.47
  4. Step 4: Simplify right side
    8,989,712.59x = 73,120,274,466,977.03
  5. Step 5: Solve for x
    x = 73,120,274,466,977.03/8,989,712.59
  6. Step 6: Final answer
    x = 8,133,772.21

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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.