Home / 18,641,970.75-25,726,717.80-10,382,032.98

Finding the Fourth Proportional to 18,641,970.75, 25,726,717.80 and 10,382,032.98

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Solution

The fourth proportional to 18,641,970.75, 25,726,717.80 and 10,382,032.98 is: 14,327,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641,970.75 : 25,726,717.80 = 10,382,032.98 : x
  2. Step 2: Convert to fraction form
    18,641,970.75/25,726,717.80 = 10,382,032.98/x
  3. Step 3: Cross multiply
    18,641,970.75x = 25,726,717.80 × 10,382,032.98
  4. Step 4: Simplify right side
    18,641,970.75x = 267,095,632,666,753.06
  5. Step 5: Solve for x
    x = 267,095,632,666,753.06/18,641,970.75
  6. Step 6: Final answer
    x = 14,327,650.02

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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.