Home / 14,381,721.47-19,846,657.68-7,855,355.03

Finding the Fourth Proportional to 14,381,721.47, 19,846,657.68 and 7,855,355.03

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Solution

The fourth proportional to 14,381,721.47, 19,846,657.68 and 7,855,355.03 is: 10,840,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381,721.47 : 19,846,657.68 = 7,855,355.03 : x
  2. Step 2: Convert to fraction form
    14,381,721.47/19,846,657.68 = 7,855,355.03/x
  3. Step 3: Cross multiply
    14,381,721.47x = 19,846,657.68 × 7,855,355.03
  4. Step 4: Simplify right side
    14,381,721.47x = 155,902,542,235,276.12
  5. Step 5: Solve for x
    x = 155,902,542,235,276.12/14,381,721.47
  6. Step 6: Final answer
    x = 10,840,325.52

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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.