Home / 8,820,004.20-13,229,228.70-2,429,687.40

Finding the Fourth Proportional to 8,820,004.20, 13,229,228.70 and 2,429,687.40

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Solution

The fourth proportional to 8,820,004.20, 13,229,228.70 and 2,429,687.40 is: 3,644,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820,004.20 : 13,229,228.70 = 2,429,687.40 : x
  2. Step 2: Convert to fraction form
    8,820,004.20/13,229,228.70 = 2,429,687.40/x
  3. Step 3: Cross multiply
    8,820,004.20x = 13,229,228.70 × 2,429,687.40
  4. Step 4: Simplify right side
    8,820,004.20x = 32,142,890,284,108.38
  5. Step 5: Solve for x
    x = 32,142,890,284,108.38/8,820,004.20
  6. Step 6: Final answer
    x = 3,644,316.89

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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.