Home / 13,121,693.64-19,691,319.69-5,445,338.22

Finding the Fourth Proportional to 13,121,693.64, 19,691,319.69 and 5,445,338.22

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Solution

The fourth proportional to 13,121,693.64, 19,691,319.69 and 5,445,338.22 is: 8,171,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,693.64 : 19,691,319.69 = 5,445,338.22 : x
  2. Step 2: Convert to fraction form
    13,121,693.64/19,691,319.69 = 5,445,338.22/x
  3. Step 3: Cross multiply
    13,121,693.64x = 19,691,319.69 × 5,445,338.22
  4. Step 4: Simplify right side
    13,121,693.64x = 107,225,895,710,195.55
  5. Step 5: Solve for x
    x = 107,225,895,710,195.55/13,121,693.64
  6. Step 6: Final answer
    x = 8,171,650.60

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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.