Home / 8,125,623.60-12,191,545.80-7,998,097.20

Finding the Fourth Proportional to 8,125,623.60, 12,191,545.80 and 7,998,097.20

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Solution

The fourth proportional to 8,125,623.60, 12,191,545.80 and 7,998,097.20 is: 12,000,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,623.60 : 12,191,545.80 = 7,998,097.20 : x
  2. Step 2: Convert to fraction form
    8,125,623.60/12,191,545.80 = 7,998,097.20/x
  3. Step 3: Cross multiply
    8,125,623.60x = 12,191,545.80 × 7,998,097.20
  4. Step 4: Simplify right side
    8,125,623.60x = 97,509,168,326,651.77
  5. Step 5: Solve for x
    x = 97,509,168,326,651.77/8,125,623.60
  6. Step 6: Final answer
    x = 12,000,207.38

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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.