Home / 15,138,126.87-22,717,219.23-8,319,461.82

Finding the Fourth Proportional to 15,138,126.87, 22,717,219.23 and 8,319,461.82

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Solution

The fourth proportional to 15,138,126.87, 22,717,219.23 and 8,319,461.82 is: 12,484,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,126.87 : 22,717,219.23 = 8,319,461.82 : x
  2. Step 2: Convert to fraction form
    15,138,126.87/22,717,219.23 = 8,319,461.82/x
  3. Step 3: Cross multiply
    15,138,126.87x = 22,717,219.23 × 8,319,461.82
  4. Step 4: Simplify right side
    15,138,126.87x = 188,995,038,040,554.81
  5. Step 5: Solve for x
    x = 188,995,038,040,554.81/15,138,126.87
  6. Step 6: Final answer
    x = 12,484,704.33

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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.