Home / 12,455,644.80-18,676,925.64-5,626,333.92

Finding the Fourth Proportional to 12,455,644.80, 18,676,925.64 and 5,626,333.92

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Solution

The fourth proportional to 12,455,644.80, 18,676,925.64 and 5,626,333.92 is: 8,436,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,644.80 : 18,676,925.64 = 5,626,333.92 : x
  2. Step 2: Convert to fraction form
    12,455,644.80/18,676,925.64 = 5,626,333.92/x
  3. Step 3: Cross multiply
    12,455,644.80x = 18,676,925.64 × 5,626,333.92
  4. Step 4: Simplify right side
    12,455,644.80x = 105,082,620,249,649.70
  5. Step 5: Solve for x
    x = 105,082,620,249,649.70/12,455,644.80
  6. Step 6: Final answer
    x = 8,436,545.99

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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.