Home / 8,998,160.28-13,498,640.10-2,931,479.69

Finding the Fourth Proportional to 8,998,160.28, 13,498,640.10 and 2,931,479.69

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Solution

The fourth proportional to 8,998,160.28, 13,498,640.10 and 2,931,479.69 is: 4,397,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998,160.28 : 13,498,640.10 = 2,931,479.69 : x
  2. Step 2: Convert to fraction form
    8,998,160.28/13,498,640.10 = 2,931,479.69/x
  3. Step 3: Cross multiply
    8,998,160.28x = 13,498,640.10 × 2,931,479.69
  4. Step 4: Simplify right side
    8,998,160.28x = 39,570,989,228,276.37
  5. Step 5: Solve for x
    x = 39,570,989,228,276.37/8,998,160.28
  6. Step 6: Final answer
    x = 4,397,675.52

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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.