Home / 8,490,855.43-12,716,880.40-6,665,064.40

Finding the Fourth Proportional to 8,490,855.43, 12,716,880.40 and 6,665,064.40

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Solution

The fourth proportional to 8,490,855.43, 12,716,880.40 and 6,665,064.40 is: 9,982,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490,855.43 : 12,716,880.40 = 6,665,064.40 : x
  2. Step 2: Convert to fraction form
    8,490,855.43/12,716,880.40 = 6,665,064.40/x
  3. Step 3: Cross multiply
    8,490,855.43x = 12,716,880.40 × 6,665,064.40
  4. Step 4: Simplify right side
    8,490,855.43x = 84,758,826,833,097.77
  5. Step 5: Solve for x
    x = 84,758,826,833,097.77/8,490,855.43
  6. Step 6: Final answer
    x = 9,982,366.03

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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.