Home / 13,807,932.05-20,712,728.45-4,223,393.61

Finding the Fourth Proportional to 13,807,932.05, 20,712,728.45 and 4,223,393.61

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Solution

The fourth proportional to 13,807,932.05, 20,712,728.45 and 4,223,393.61 is: 6,335,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,932.05 : 20,712,728.45 = 4,223,393.61 : x
  2. Step 2: Convert to fraction form
    13,807,932.05/20,712,728.45 = 4,223,393.61/x
  3. Step 3: Cross multiply
    13,807,932.05x = 20,712,728.45 × 4,223,393.61
  4. Step 4: Simplify right side
    13,807,932.05x = 87,478,005,007,033.47
  5. Step 5: Solve for x
    x = 87,478,005,007,033.47/13,807,932.05
  6. Step 6: Final answer
    x = 6,335,344.40

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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.