Home / 12,919,901.22-17,829,867.51-7,414,283.16

Finding the Fourth Proportional to 12,919,901.22, 17,829,867.51 and 7,414,283.16

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Solution

The fourth proportional to 12,919,901.22, 17,829,867.51 and 7,414,283.16 is: 10,231,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,901.22 : 17,829,867.51 = 7,414,283.16 : x
  2. Step 2: Convert to fraction form
    12,919,901.22/17,829,867.51 = 7,414,283.16/x
  3. Step 3: Cross multiply
    12,919,901.22x = 17,829,867.51 × 7,414,283.16
  4. Step 4: Simplify right side
    12,919,901.22x = 132,195,686,424,424.14
  5. Step 5: Solve for x
    x = 132,195,686,424,424.14/12,919,901.22
  6. Step 6: Final answer
    x = 10,231,942.50

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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.