Home / 8,320,186.60-12,480,279.90-4,737,005.80

Finding the Fourth Proportional to 8,320,186.60, 12,480,279.90 and 4,737,005.80

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Solution

The fourth proportional to 8,320,186.60, 12,480,279.90 and 4,737,005.80 is: 7,105,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,186.60 : 12,480,279.90 = 4,737,005.80 : x
  2. Step 2: Convert to fraction form
    8,320,186.60/12,480,279.90 = 4,737,005.80/x
  3. Step 3: Cross multiply
    8,320,186.60x = 12,480,279.90 × 4,737,005.80
  4. Step 4: Simplify right side
    8,320,186.60x = 59,119,158,271,923.42
  5. Step 5: Solve for x
    x = 59,119,158,271,923.42/8,320,186.60
  6. Step 6: Final answer
    x = 7,105,508.70

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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.