Home / 18,780,101.40-28,171,521.71-5,824,607.28

Finding the Fourth Proportional to 18,780,101.40, 28,171,521.71 and 5,824,607.28

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Solution

The fourth proportional to 18,780,101.40, 28,171,521.71 and 5,824,607.28 is: 8,737,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780,101.40 : 28,171,521.71 = 5,824,607.28 : x
  2. Step 2: Convert to fraction form
    18,780,101.40/28,171,521.71 = 5,824,607.28/x
  3. Step 3: Cross multiply
    18,780,101.40x = 28,171,521.71 × 5,824,607.28
  4. Step 4: Simplify right side
    18,780,101.40x = 164,088,050,486,284.91
  5. Step 5: Solve for x
    x = 164,088,050,486,284.91/18,780,101.40
  6. Step 6: Final answer
    x = 8,737,335.70

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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.