Home / 7,139,511.60-9,852,468.36-3,876,261.60

Finding the Fourth Proportional to 7,139,511.60, 9,852,468.36 and 3,876,261.60

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Solution

The fourth proportional to 7,139,511.60, 9,852,468.36 and 3,876,261.60 is: 5,349,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,511.60 : 9,852,468.36 = 3,876,261.60 : x
  2. Step 2: Convert to fraction form
    7,139,511.60/9,852,468.36 = 3,876,261.60/x
  3. Step 3: Cross multiply
    7,139,511.60x = 9,852,468.36 × 3,876,261.60
  4. Step 4: Simplify right side
    7,139,511.60x = 38,190,744,769,082.98
  5. Step 5: Solve for x
    x = 38,190,744,769,082.98/7,139,511.60
  6. Step 6: Final answer
    x = 5,349,209.71

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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.