Home / 8,691,465.60-13,032,014.40-5,328,086.40

Finding the Fourth Proportional to 8,691,465.60, 13,032,014.40 and 5,328,086.40

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Solution

The fourth proportional to 8,691,465.60, 13,032,014.40 and 5,328,086.40 is: 7,988,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,465.60 : 13,032,014.40 = 5,328,086.40 : x
  2. Step 2: Convert to fraction form
    8,691,465.60/13,032,014.40 = 5,328,086.40/x
  3. Step 3: Cross multiply
    8,691,465.60x = 13,032,014.40 × 5,328,086.40
  4. Step 4: Simplify right side
    8,691,465.60x = 69,435,698,689,244.16
  5. Step 5: Solve for x
    x = 69,435,698,689,244.16/8,691,465.60
  6. Step 6: Final answer
    x = 7,988,951.68

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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.