Home / 8,233,764.60-12,357,645.30-6,638,129.40

Finding the Fourth Proportional to 8,233,764.60, 12,357,645.30 and 6,638,129.40

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Solution

The fourth proportional to 8,233,764.60, 12,357,645.30 and 6,638,129.40 is: 9,962,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,233,764.60 : 12,357,645.30 = 6,638,129.40 : x
  2. Step 2: Convert to fraction form
    8,233,764.60/12,357,645.30 = 6,638,129.40/x
  3. Step 3: Cross multiply
    8,233,764.60x = 12,357,645.30 × 6,638,129.40
  4. Step 4: Simplify right side
    8,233,764.60x = 82,031,648,580,701.83
  5. Step 5: Solve for x
    x = 82,031,648,580,701.83/8,233,764.60
  6. Step 6: Final answer
    x = 9,962,836.27

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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.