Home / 12,446,652.10-18,669,978.15-12,366,935.95

Finding the Fourth Proportional to 12,446,652.10, 18,669,978.15 and 12,366,935.95

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Solution

The fourth proportional to 12,446,652.10, 18,669,978.15 and 12,366,935.95 is: 18,550,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,652.10 : 18,669,978.15 = 12,366,935.95 : x
  2. Step 2: Convert to fraction form
    12,446,652.10/18,669,978.15 = 12,366,935.95/x
  3. Step 3: Cross multiply
    12,446,652.10x = 18,669,978.15 × 12,366,935.95
  4. Step 4: Simplify right side
    12,446,652.10x = 230,890,423,968,949.47
  5. Step 5: Solve for x
    x = 230,890,423,968,949.47/12,446,652.10
  6. Step 6: Final answer
    x = 18,550,403.93

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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.