Home / 20,811,283.70-31,227,689.34-15,101,095.50

Finding the Fourth Proportional to 20,811,283.70, 31,227,689.34 and 15,101,095.50

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Solution

The fourth proportional to 20,811,283.70, 31,227,689.34 and 15,101,095.50 is: 22,659,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,811,283.70 : 31,227,689.34 = 15,101,095.50 : x
  2. Step 2: Convert to fraction form
    20,811,283.70/31,227,689.34 = 15,101,095.50/x
  3. Step 3: Cross multiply
    20,811,283.70x = 31,227,689.34 × 15,101,095.50
  4. Step 4: Simplify right side
    20,811,283.70x = 471,572,319,084,775.81
  5. Step 5: Solve for x
    x = 471,572,319,084,775.81/20,811,283.70
  6. Step 6: Final answer
    x = 22,659,453.68

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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.