Home / 8,320,618.40-12,459,932.40-6,641,002.40

Finding the Fourth Proportional to 8,320,618.40, 12,459,932.40 and 6,641,002.40

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Solution

The fourth proportional to 8,320,618.40, 12,459,932.40 and 6,641,002.40 is: 9,944,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,618.40 : 12,459,932.40 = 6,641,002.40 : x
  2. Step 2: Convert to fraction form
    8,320,618.40/12,459,932.40 = 6,641,002.40/x
  3. Step 3: Cross multiply
    8,320,618.40x = 12,459,932.40 × 6,641,002.40
  4. Step 4: Simplify right side
    8,320,618.40x = 82,746,440,972,237.77
  5. Step 5: Solve for x
    x = 82,746,440,972,237.77/8,320,618.40
  6. Step 6: Final answer
    x = 9,944,746.53

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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.