Home / 12,561,253.02-17,338,288.25-7,335,670.76

Finding the Fourth Proportional to 12,561,253.02, 17,338,288.25 and 7,335,670.76

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Solution

The fourth proportional to 12,561,253.02, 17,338,288.25 and 7,335,670.76 is: 10,125,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,253.02 : 17,338,288.25 = 7,335,670.76 : x
  2. Step 2: Convert to fraction form
    12,561,253.02/17,338,288.25 = 7,335,670.76/x
  3. Step 3: Cross multiply
    12,561,253.02x = 17,338,288.25 × 7,335,670.76
  4. Step 4: Simplify right side
    12,561,253.02x = 127,187,974,143,976.56
  5. Step 5: Solve for x
    x = 127,187,974,143,976.56/12,561,253.02
  6. Step 6: Final answer
    x = 10,125,420.92

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1.5x scale

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.