Home / 15,468,696.80-21,348,657.27-9,277,149.75

Finding the Fourth Proportional to 15,468,696.80, 21,348,657.27 and 9,277,149.75

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Solution

The fourth proportional to 15,468,696.80, 21,348,657.27 and 9,277,149.75 is: 12,803,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468,696.80 : 21,348,657.27 = 9,277,149.75 : x
  2. Step 2: Convert to fraction form
    15,468,696.80/21,348,657.27 = 9,277,149.75/x
  3. Step 3: Cross multiply
    15,468,696.80x = 21,348,657.27 × 9,277,149.75
  4. Step 4: Simplify right side
    15,468,696.80x = 198,054,690,375,158.72
  5. Step 5: Solve for x
    x = 198,054,690,375,158.72/15,468,696.80
  6. Step 6: Final answer
    x = 12,803,579.57

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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.