Home / 20,013,902.30-30,023,282.64-5,636,970.11

Finding the Fourth Proportional to 20,013,902.30, 30,023,282.64 and 5,636,970.11

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Solution

The fourth proportional to 20,013,902.30, 30,023,282.64 and 5,636,970.11 is: 8,456,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,902.30 : 30,023,282.64 = 5,636,970.11 : x
  2. Step 2: Convert to fraction form
    20,013,902.30/30,023,282.64 = 5,636,970.11/x
  3. Step 3: Cross multiply
    20,013,902.30x = 30,023,282.64 × 5,636,970.11
  4. Step 4: Simplify right side
    20,013,902.30x = 169,240,346,695,645.50
  5. Step 5: Solve for x
    x = 169,240,346,695,645.50/20,013,902.30
  6. Step 6: Final answer
    x = 8,456,139.35

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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.