Home / 9,642,239.65-13,306,454.04-5,291,730.73

Finding the Fourth Proportional to 9,642,239.65, 13,306,454.04 and 5,291,730.73

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Solution

The fourth proportional to 9,642,239.65, 13,306,454.04 and 5,291,730.73 is: 7,302,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,239.65 : 13,306,454.04 = 5,291,730.73 : x
  2. Step 2: Convert to fraction form
    9,642,239.65/13,306,454.04 = 5,291,730.73/x
  3. Step 3: Cross multiply
    9,642,239.65x = 13,306,454.04 × 5,291,730.73
  4. Step 4: Simplify right side
    9,642,239.65x = 70,414,171,750,800.66
  5. Step 5: Solve for x
    x = 70,414,171,750,800.66/9,642,239.65
  6. Step 6: Final answer
    x = 7,302,678.04

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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.