Home / 8,691,459.10-13,032,004.65-5,328,079.90

Finding the Fourth Proportional to 8,691,459.10, 13,032,004.65 and 5,328,079.90

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Solution

The fourth proportional to 8,691,459.10, 13,032,004.65 and 5,328,079.90 is: 7,988,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,459.10 : 13,032,004.65 = 5,328,079.90 : x
  2. Step 2: Convert to fraction form
    8,691,459.10/13,032,004.65 = 5,328,079.90/x
  3. Step 3: Cross multiply
    8,691,459.10x = 13,032,004.65 × 5,328,079.90
  4. Step 4: Simplify right side
    8,691,459.10x = 69,435,562,032,371.54
  5. Step 5: Solve for x
    x = 69,435,562,032,371.54/8,691,459.10
  6. Step 6: Final answer
    x = 7,988,941.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.