Home / 13,662,768.52-20,465,807.82-7,965,713.80

Finding the Fourth Proportional to 13,662,768.52, 20,465,807.82 and 7,965,713.80

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Solution

The fourth proportional to 13,662,768.52, 20,465,807.82 and 7,965,713.80 is: 11,932,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662,768.52 : 20,465,807.82 = 7,965,713.80 : x
  2. Step 2: Convert to fraction form
    13,662,768.52/20,465,807.82 = 7,965,713.80/x
  3. Step 3: Cross multiply
    13,662,768.52x = 20,465,807.82 × 7,965,713.80
  4. Step 4: Simplify right side
    13,662,768.52x = 163,024,767,779,921.91
  5. Step 5: Solve for x
    x = 163,024,767,779,921.91/13,662,768.52
  6. Step 6: Final answer
    x = 11,932,044.92

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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.