Home / 8,737,052.80-13,105,579.20-7,886,747.20

Finding the Fourth Proportional to 8,737,052.80, 13,105,579.20 and 7,886,747.20

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Solution

The fourth proportional to 8,737,052.80, 13,105,579.20 and 7,886,747.20 is: 11,830,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737,052.80 : 13,105,579.20 = 7,886,747.20 : x
  2. Step 2: Convert to fraction form
    8,737,052.80/13,105,579.20 = 7,886,747.20/x
  3. Step 3: Cross multiply
    8,737,052.80x = 13,105,579.20 × 7,886,747.20
  4. Step 4: Simplify right side
    8,737,052.80x = 103,360,390,059,978.23
  5. Step 5: Solve for x
    x = 103,360,390,059,978.23/8,737,052.80
  6. Step 6: Final answer
    x = 11,830,120.80

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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.