Home / 12,861,799.19-17,748,631.08-7,635,030.79

Finding the Fourth Proportional to 12,861,799.19, 17,748,631.08 and 7,635,030.79

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Solution

The fourth proportional to 12,861,799.19, 17,748,631.08 and 7,635,030.79 is: 10,535,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,799.19 : 17,748,631.08 = 7,635,030.79 : x
  2. Step 2: Convert to fraction form
    12,861,799.19/17,748,631.08 = 7,635,030.79/x
  3. Step 3: Cross multiply
    12,861,799.19x = 17,748,631.08 × 7,635,030.79
  4. Step 4: Simplify right side
    12,861,799.19x = 135,511,344,743,588.34
  5. Step 5: Solve for x
    x = 135,511,344,743,588.34/12,861,799.19
  6. Step 6: Final answer
    x = 10,535,955.56

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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.