Home / 8,985,489.12-12,398,541.12-5,118,085.44

Finding the Fourth Proportional to 8,985,489.12, 12,398,541.12 and 5,118,085.44

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Solution

The fourth proportional to 8,985,489.12, 12,398,541.12 and 5,118,085.44 is: 7,062,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985,489.12 : 12,398,541.12 = 5,118,085.44 : x
  2. Step 2: Convert to fraction form
    8,985,489.12/12,398,541.12 = 5,118,085.44/x
  3. Step 3: Cross multiply
    8,985,489.12x = 12,398,541.12 × 5,118,085.44
  4. Step 4: Simplify right side
    8,985,489.12x = 63,456,792,783,513.30
  5. Step 5: Solve for x
    x = 63,456,792,783,513.30/8,985,489.12
  6. Step 6: Final answer
    x = 7,062,141.19

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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.