Home / 20,626,790.23-30,940,191.07-7,671,248.17

Finding the Fourth Proportional to 20,626,790.23, 30,940,191.07 and 7,671,248.17

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Solution

The fourth proportional to 20,626,790.23, 30,940,191.07 and 7,671,248.17 is: 11,506,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626,790.23 : 30,940,191.07 = 7,671,248.17 : x
  2. Step 2: Convert to fraction form
    20,626,790.23/30,940,191.07 = 7,671,248.17/x
  3. Step 3: Cross multiply
    20,626,790.23x = 30,940,191.07 × 7,671,248.17
  4. Step 4: Simplify right side
    20,626,790.23x = 237,349,884,028,659.25
  5. Step 5: Solve for x
    x = 237,349,884,028,659.25/20,626,790.23
  6. Step 6: Final answer
    x = 11,506,874.38

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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.