Home / 20,581,263.06-30,875,251.62-8,447,469.93

Finding the Fourth Proportional to 20,581,263.06, 30,875,251.62 and 8,447,469.93

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Solution

The fourth proportional to 20,581,263.06, 30,875,251.62 and 8,447,469.93 is: 12,672,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,263.06 : 30,875,251.62 = 8,447,469.93 : x
  2. Step 2: Convert to fraction form
    20,581,263.06/30,875,251.62 = 8,447,469.93/x
  3. Step 3: Cross multiply
    20,581,263.06x = 30,875,251.62 × 8,447,469.93
  4. Step 4: Simplify right side
    20,581,263.06x = 260,817,759,641,133.78
  5. Step 5: Solve for x
    x = 260,817,759,641,133.78/20,581,263.06
  6. Step 6: Final answer
    x = 12,672,582.77

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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.