Home / 8,429,400.31-12,643,033.92-2,672,189.41

Finding the Fourth Proportional to 8,429,400.31, 12,643,033.92 and 2,672,189.41

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Solution

The fourth proportional to 8,429,400.31, 12,643,033.92 and 2,672,189.41 is: 4,007,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429,400.31 : 12,643,033.92 = 2,672,189.41 : x
  2. Step 2: Convert to fraction form
    8,429,400.31/12,643,033.92 = 2,672,189.41/x
  3. Step 3: Cross multiply
    8,429,400.31x = 12,643,033.92 × 2,672,189.41
  4. Step 4: Simplify right side
    8,429,400.31x = 33,784,581,351,294.79
  5. Step 5: Solve for x
    x = 33,784,581,351,294.79/8,429,400.31
  6. Step 6: Final answer
    x = 4,007,946.01

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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.