Home / 20,292,713.50-28,003,982-11,000,254.82

Finding the Fourth Proportional to 20,292,713.50, 28,003,982 and 11,000,254.82

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Solution

The fourth proportional to 20,292,713.50, 28,003,982 and 11,000,254.82 is: 15,180,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,713.50 : 28,003,982 = 11,000,254.82 : x
  2. Step 2: Convert to fraction form
    20,292,713.50/28,003,982 = 11,000,254.82/x
  3. Step 3: Cross multiply
    20,292,713.50x = 28,003,982 × 11,000,254.82
  4. Step 4: Simplify right side
    20,292,713.50x = 308,050,937,974,693.25
  5. Step 5: Solve for x
    x = 308,050,937,974,693.25/20,292,713.50
  6. Step 6: Final answer
    x = 15,180,371.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.