Home / 12,340,418.52-18,517,715.64-9,637,155.30

Finding the Fourth Proportional to 12,340,418.52, 18,517,715.64 and 9,637,155.30

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Solution

The fourth proportional to 12,340,418.52, 18,517,715.64 and 9,637,155.30 is: 14,461,268.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340,418.52 : 18,517,715.64 = 9,637,155.30 : x
  2. Step 2: Convert to fraction form
    12,340,418.52/18,517,715.64 = 9,637,155.30/x
  3. Step 3: Cross multiply
    12,340,418.52x = 18,517,715.64 × 9,637,155.30
  4. Step 4: Simplify right side
    12,340,418.52x = 178,458,101,423,918.91
  5. Step 5: Solve for x
    x = 178,458,101,423,918.91/12,340,418.52
  6. Step 6: Final answer
    x = 14,461,268.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.