Home / 12,468,047.60-18,697,405.80-4,377,897.20

Finding the Fourth Proportional to 12,468,047.60, 18,697,405.80 and 4,377,897.20

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Solution

The fourth proportional to 12,468,047.60, 18,697,405.80 and 4,377,897.20 is: 6,565,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,047.60 : 18,697,405.80 = 4,377,897.20 : x
  2. Step 2: Convert to fraction form
    12,468,047.60/18,697,405.80 = 4,377,897.20/x
  3. Step 3: Cross multiply
    12,468,047.60x = 18,697,405.80 × 4,377,897.20
  4. Step 4: Simplify right side
    12,468,047.60x = 81,855,320,499,083.77
  5. Step 5: Solve for x
    x = 81,855,320,499,083.77/12,468,047.60
  6. Step 6: Final answer
    x = 6,565,207.57

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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.