Home / 9,998,916.39-13,792,979.81-8,140,331.18

Finding the Fourth Proportional to 9,998,916.39, 13,792,979.81 and 8,140,331.18

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Solution

The fourth proportional to 9,998,916.39, 13,792,979.81 and 8,140,331.18 is: 11,229,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998,916.39 : 13,792,979.81 = 8,140,331.18 : x
  2. Step 2: Convert to fraction form
    9,998,916.39/13,792,979.81 = 8,140,331.18/x
  3. Step 3: Cross multiply
    9,998,916.39x = 13,792,979.81 × 8,140,331.18
  4. Step 4: Simplify right side
    9,998,916.39x = 112,279,423,612,453.47
  5. Step 5: Solve for x
    x = 112,279,423,612,453.47/9,998,916.39
  6. Step 6: Final answer
    x = 11,229,159.16

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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.