Home / 6,912,128.13-9,538,717.06-3,814,629

Finding the Fourth Proportional to 6,912,128.13, 9,538,717.06 and 3,814,629

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Solution

The fourth proportional to 6,912,128.13, 9,538,717.06 and 3,814,629 is: 5,264,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,128.13 : 9,538,717.06 = 3,814,629 : x
  2. Step 2: Convert to fraction form
    6,912,128.13/9,538,717.06 = 3,814,629/x
  3. Step 3: Cross multiply
    6,912,128.13x = 9,538,717.06 × 3,814,629
  4. Step 4: Simplify right side
    6,912,128.13x = 36,386,666,719,870.74
  5. Step 5: Solve for x
    x = 36,386,666,719,870.74/6,912,128.13
  6. Step 6: Final answer
    x = 5,264,177.12

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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.