Home / 9,191,781.15-12,684,248.81-5,268,724.82

Finding the Fourth Proportional to 9,191,781.15, 12,684,248.81 and 5,268,724.82

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Solution

The fourth proportional to 9,191,781.15, 12,684,248.81 and 5,268,724.82 is: 7,270,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191,781.15 : 12,684,248.81 = 5,268,724.82 : x
  2. Step 2: Convert to fraction form
    9,191,781.15/12,684,248.81 = 5,268,724.82/x
  3. Step 3: Cross multiply
    9,191,781.15x = 12,684,248.81 × 5,268,724.82
  4. Step 4: Simplify right side
    9,191,781.15x = 66,829,816,528,302.47
  5. Step 5: Solve for x
    x = 66,829,816,528,302.47/9,191,781.15
  6. Step 6: Final answer
    x = 7,270,605.71

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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.