Home / 13,280,062.31-18,326,523.95-7,699,393.36

Finding the Fourth Proportional to 13,280,062.31, 18,326,523.95 and 7,699,393.36

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Solution

The fourth proportional to 13,280,062.31, 18,326,523.95 and 7,699,393.36 is: 10,625,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,062.31 : 18,326,523.95 = 7,699,393.36 : x
  2. Step 2: Convert to fraction form
    13,280,062.31/18,326,523.95 = 7,699,393.36/x
  3. Step 3: Cross multiply
    13,280,062.31x = 18,326,523.95 × 7,699,393.36
  4. Step 4: Simplify right side
    13,280,062.31x = 141,103,116,812,510.97
  5. Step 5: Solve for x
    x = 141,103,116,812,510.97/13,280,062.31
  6. Step 6: Final answer
    x = 10,625,184.85

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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.