Home / 6,600,848.56-9,885,919.92-6,419,225.36

Finding the Fourth Proportional to 6,600,848.56, 9,885,919.92 and 6,419,225.36

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Solution

The fourth proportional to 6,600,848.56, 9,885,919.92 and 6,419,225.36 is: 9,613,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600,848.56 : 9,885,919.92 = 6,419,225.36 : x
  2. Step 2: Convert to fraction form
    6,600,848.56/9,885,919.92 = 6,419,225.36/x
  3. Step 3: Cross multiply
    6,600,848.56x = 9,885,919.92 × 6,419,225.36
  4. Step 4: Simplify right side
    6,600,848.56x = 63,459,947,857,393.17
  5. Step 5: Solve for x
    x = 63,459,947,857,393.17/6,600,848.56
  6. Step 6: Final answer
    x = 9,613,907.56

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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.