Home / 13,121,428.32-19,666,185.60-9,284,356.44

Finding the Fourth Proportional to 13,121,428.32, 19,666,185.60 and 9,284,356.44

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Solution

The fourth proportional to 13,121,428.32, 19,666,185.60 and 9,284,356.44 is: 13,915,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,428.32 : 19,666,185.60 = 9,284,356.44 : x
  2. Step 2: Convert to fraction form
    13,121,428.32/19,666,185.60 = 9,284,356.44/x
  3. Step 3: Cross multiply
    13,121,428.32x = 19,666,185.60 × 9,284,356.44
  4. Step 4: Simplify right side
    13,121,428.32x = 182,587,876,925,595.28
  5. Step 5: Solve for x
    x = 182,587,876,925,595.28/13,121,428.32
  6. Step 6: Final answer
    x = 13,915,244.02

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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.