Home / 8,897,818.40-13,346,727.60-3,218,919.20

Finding the Fourth Proportional to 8,897,818.40, 13,346,727.60 and 3,218,919.20

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Solution

The fourth proportional to 8,897,818.40, 13,346,727.60 and 3,218,919.20 is: 4,828,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897,818.40 : 13,346,727.60 = 3,218,919.20 : x
  2. Step 2: Convert to fraction form
    8,897,818.40/13,346,727.60 = 3,218,919.20/x
  3. Step 3: Cross multiply
    8,897,818.40x = 13,346,727.60 × 3,218,919.20
  4. Step 4: Simplify right side
    8,897,818.40x = 42,962,037,728,809.92
  5. Step 5: Solve for x
    x = 42,962,037,728,809.92/8,897,818.40
  6. Step 6: Final answer
    x = 4,828,378.80

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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.