Home / 18,676,057.90-28,011,982.71-5,030,203.05

Finding the Fourth Proportional to 18,676,057.90, 28,011,982.71 and 5,030,203.05

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Solution

The fourth proportional to 18,676,057.90, 28,011,982.71 and 5,030,203.05 is: 7,544,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676,057.90 : 28,011,982.71 = 5,030,203.05 : x
  2. Step 2: Convert to fraction form
    18,676,057.90/28,011,982.71 = 5,030,203.05/x
  3. Step 3: Cross multiply
    18,676,057.90x = 28,011,982.71 × 5,030,203.05
  4. Step 4: Simplify right side
    18,676,057.90x = 140,905,960,940,706.97
  5. Step 5: Solve for x
    x = 140,905,960,940,706.97/18,676,057.90
  6. Step 6: Final answer
    x = 7,544,737.85

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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.