Home / 20,013,872.76-30,023,238.48-5,636,940.57

Finding the Fourth Proportional to 20,013,872.76, 30,023,238.48 and 5,636,940.57

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Solution

The fourth proportional to 20,013,872.76, 30,023,238.48 and 5,636,940.57 is: 8,456,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,872.76 : 30,023,238.48 = 5,636,940.57 : x
  2. Step 2: Convert to fraction form
    20,013,872.76/30,023,238.48 = 5,636,940.57/x
  3. Step 3: Cross multiply
    20,013,872.76x = 30,023,238.48 × 5,636,940.57
  4. Step 4: Simplify right side
    20,013,872.76x = 169,239,211,030,697.16
  5. Step 5: Solve for x
    x = 169,239,211,030,697.16/20,013,872.76
  6. Step 6: Final answer
    x = 8,456,095.08

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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.