Home / 8,745,544.16-12,072,720.90-5,649,577.04

Finding the Fourth Proportional to 8,745,544.16, 12,072,720.90 and 5,649,577.04

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Solution

The fourth proportional to 8,745,544.16, 12,072,720.90 and 5,649,577.04 is: 7,798,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,544.16 : 12,072,720.90 = 5,649,577.04 : x
  2. Step 2: Convert to fraction form
    8,745,544.16/12,072,720.90 = 5,649,577.04/x
  3. Step 3: Cross multiply
    8,745,544.16x = 12,072,720.90 × 5,649,577.04
  4. Step 4: Simplify right side
    8,745,544.16x = 68,205,766,806,968.14
  5. Step 5: Solve for x
    x = 68,205,766,806,968.14/8,745,544.16
  6. Step 6: Final answer
    x = 7,798,916.29

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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.