Home / 7,129,307.20-10,691,326.56-3,086,386.24

Finding the Fourth Proportional to 7,129,307.20, 10,691,326.56 and 3,086,386.24

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Solution

The fourth proportional to 7,129,307.20, 10,691,326.56 and 3,086,386.24 is: 4,628,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,307.20 : 10,691,326.56 = 3,086,386.24 : x
  2. Step 2: Convert to fraction form
    7,129,307.20/10,691,326.56 = 3,086,386.24/x
  3. Step 3: Cross multiply
    7,129,307.20x = 10,691,326.56 × 3,086,386.24
  4. Step 4: Simplify right side
    7,129,307.20x = 32,997,563,182,130.54
  5. Step 5: Solve for x
    x = 32,997,563,182,130.54/7,129,307.20
  6. Step 6: Final answer
    x = 4,628,438.96

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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.