Home / 12,478,601.10-18,717,901.65-4,400,697.90

Finding the Fourth Proportional to 12,478,601.10, 18,717,901.65 and 4,400,697.90

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Solution

The fourth proportional to 12,478,601.10, 18,717,901.65 and 4,400,697.90 is: 6,601,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,478,601.10 : 18,717,901.65 = 4,400,697.90 : x
  2. Step 2: Convert to fraction form
    12,478,601.10/18,717,901.65 = 4,400,697.90/x
  3. Step 3: Cross multiply
    12,478,601.10x = 18,717,901.65 × 4,400,697.90
  4. Step 4: Simplify right side
    12,478,601.10x = 82,371,830,483,561.53
  5. Step 5: Solve for x
    x = 82,371,830,483,561.53/12,478,601.10
  6. Step 6: Final answer
    x = 6,601,046.85

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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.