Home / 12,577,740.53-17,357,177.55-7,071,139.92

Finding the Fourth Proportional to 12,577,740.53, 17,357,177.55 and 7,071,139.92

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Solution

The fourth proportional to 12,577,740.53, 17,357,177.55 and 7,071,139.92 is: 9,758,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,740.53 : 17,357,177.55 = 7,071,139.92 : x
  2. Step 2: Convert to fraction form
    12,577,740.53/17,357,177.55 = 7,071,139.92/x
  3. Step 3: Cross multiply
    12,577,740.53x = 17,357,177.55 × 7,071,139.92
  4. Step 4: Simplify right side
    12,577,740.53x = 122,735,031,163,939
  5. Step 5: Solve for x
    x = 122,735,031,163,939/12,577,740.53
  6. Step 6: Final answer
    x = 9,758,114.42

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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.