Home / 18,641,969.25-25,726,715.72-10,382,031.48

Finding the Fourth Proportional to 18,641,969.25, 25,726,715.72 and 10,382,031.48

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Solution

The fourth proportional to 18,641,969.25, 25,726,715.72 and 10,382,031.48 is: 14,327,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641,969.25 : 25,726,715.72 = 10,382,031.48 : x
  2. Step 2: Convert to fraction form
    18,641,969.25/25,726,715.72 = 10,382,031.48/x
  3. Step 3: Cross multiply
    18,641,969.25x = 25,726,715.72 × 10,382,031.48
  4. Step 4: Simplify right side
    18,641,969.25x = 267,095,572,430,140.72
  5. Step 5: Solve for x
    x = 267,095,572,430,140.72/18,641,969.25
  6. Step 6: Final answer
    x = 14,327,647.95

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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.