Home / 9,642,318.29-13,306,782.36-5,291,561.32

Finding the Fourth Proportional to 9,642,318.29, 13,306,782.36 and 5,291,561.32

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Solution

The fourth proportional to 9,642,318.29, 13,306,782.36 and 5,291,561.32 is: 7,302,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,318.29 : 13,306,782.36 = 5,291,561.32 : x
  2. Step 2: Convert to fraction form
    9,642,318.29/13,306,782.36 = 5,291,561.32/x
  3. Step 3: Cross multiply
    9,642,318.29x = 13,306,782.36 × 5,291,561.32
  4. Step 4: Simplify right side
    9,642,318.29x = 70,413,654,816,410.70
  5. Step 5: Solve for x
    x = 70,413,654,816,410.70/9,642,318.29
  6. Step 6: Final answer
    x = 7,302,564.87

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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.