Home / 13,566,878.27-18,722,410.28-7,371,924.95

Finding the Fourth Proportional to 13,566,878.27, 18,722,410.28 and 7,371,924.95

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Solution

The fourth proportional to 13,566,878.27, 18,722,410.28 and 7,371,924.95 is: 10,173,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566,878.27 : 18,722,410.28 = 7,371,924.95 : x
  2. Step 2: Convert to fraction form
    13,566,878.27/18,722,410.28 = 7,371,924.95/x
  3. Step 3: Cross multiply
    13,566,878.27x = 18,722,410.28 × 7,371,924.95
  4. Step 4: Simplify right side
    13,566,878.27x = 138,020,203,546,326.69
  5. Step 5: Solve for x
    x = 138,020,203,546,326.69/13,566,878.27
  6. Step 6: Final answer
    x = 10,173,320.70

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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.