Home / 8,436,733.60-12,659,707.45-3,578,284.40

Finding the Fourth Proportional to 8,436,733.60, 12,659,707.45 and 3,578,284.40

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Solution

The fourth proportional to 8,436,733.60, 12,659,707.45 and 3,578,284.40 is: 5,369,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,733.60 : 12,659,707.45 = 3,578,284.40 : x
  2. Step 2: Convert to fraction form
    8,436,733.60/12,659,707.45 = 3,578,284.40/x
  3. Step 3: Cross multiply
    8,436,733.60x = 12,659,707.45 × 3,578,284.40
  4. Step 4: Simplify right side
    8,436,733.60x = 45,300,033,676,898.77
  5. Step 5: Solve for x
    x = 45,300,033,676,898.77/8,436,733.60
  6. Step 6: Final answer
    x = 5,369,380.59

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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.