Home / 12,310,182.71-18,465,249.27-11,561,068.92

Finding the Fourth Proportional to 12,310,182.71, 18,465,249.27 and 11,561,068.92

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Solution

The fourth proportional to 12,310,182.71, 18,465,249.27 and 11,561,068.92 is: 17,341,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,182.71 : 18,465,249.27 = 11,561,068.92 : x
  2. Step 2: Convert to fraction form
    12,310,182.71/18,465,249.27 = 11,561,068.92/x
  3. Step 3: Cross multiply
    12,310,182.71x = 18,465,249.27 × 11,561,068.92
  4. Step 4: Simplify right side
    12,310,182.71x = 213,478,019,398,583.34
  5. Step 5: Solve for x
    x = 213,478,019,398,583.34/12,310,182.71
  6. Step 6: Final answer
    x = 17,341,580.08

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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.