Home / 8,213,459.95-12,319,248.67-2,148,776.92

Finding the Fourth Proportional to 8,213,459.95, 12,319,248.67 and 2,148,776.92

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Solution

The fourth proportional to 8,213,459.95, 12,319,248.67 and 2,148,776.92 is: 3,222,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,459.95 : 12,319,248.67 = 2,148,776.92 : x
  2. Step 2: Convert to fraction form
    8,213,459.95/12,319,248.67 = 2,148,776.92/x
  3. Step 3: Cross multiply
    8,213,459.95x = 12,319,248.67 × 2,148,776.92
  4. Step 4: Simplify right side
    8,213,459.95x = 26,471,317,213,836.70
  5. Step 5: Solve for x
    x = 26,471,317,213,836.70/8,213,459.95
  6. Step 6: Final answer
    x = 3,222,919.13

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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.