Home / 7,898,124.80-11,847,187.20-5,158,251.20

Finding the Fourth Proportional to 7,898,124.80, 11,847,187.20 and 5,158,251.20

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Solution

The fourth proportional to 7,898,124.80, 11,847,187.20 and 5,158,251.20 is: 7,737,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,124.80 : 11,847,187.20 = 5,158,251.20 : x
  2. Step 2: Convert to fraction form
    7,898,124.80/11,847,187.20 = 5,158,251.20/x
  3. Step 3: Cross multiply
    7,898,124.80x = 11,847,187.20 × 5,158,251.20
  4. Step 4: Simplify right side
    7,898,124.80x = 61,110,767,591,024.64
  5. Step 5: Solve for x
    x = 61,110,767,591,024.64/7,898,124.80
  6. Step 6: Final answer
    x = 7,737,376.80

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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.