Home / 8,143,887.60-12,217,333.14-2,679,290.10

Finding the Fourth Proportional to 8,143,887.60, 12,217,333.14 and 2,679,290.10

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Solution

The fourth proportional to 8,143,887.60, 12,217,333.14 and 2,679,290.10 is: 4,019,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,887.60 : 12,217,333.14 = 2,679,290.10 : x
  2. Step 2: Convert to fraction form
    8,143,887.60/12,217,333.14 = 2,679,290.10/x
  3. Step 3: Cross multiply
    8,143,887.60x = 12,217,333.14 × 2,679,290.10
  4. Step 4: Simplify right side
    8,143,887.60x = 32,733,779,730,403.92
  5. Step 5: Solve for x
    x = 32,733,779,730,403.92/8,143,887.60
  6. Step 6: Final answer
    x = 4,019,429.21

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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.