Home / 15,395,454.64-21,244,862.95-8,426,117.95

Finding the Fourth Proportional to 15,395,454.64, 21,244,862.95 and 8,426,117.95

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Solution

The fourth proportional to 15,395,454.64, 21,244,862.95 and 8,426,117.95 is: 11,627,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,454.64 : 21,244,862.95 = 8,426,117.95 : x
  2. Step 2: Convert to fraction form
    15,395,454.64/21,244,862.95 = 8,426,117.95/x
  3. Step 3: Cross multiply
    15,395,454.64x = 21,244,862.95 × 8,426,117.95
  4. Step 4: Simplify right side
    15,395,454.64x = 179,011,721,048,284.94
  5. Step 5: Solve for x
    x = 179,011,721,048,284.94/15,395,454.64
  6. Step 6: Final answer
    x = 11,627,569.65

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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.