Home / 12,108,644.28-16,710,041.90-6,676,329.40

Finding the Fourth Proportional to 12,108,644.28, 16,710,041.90 and 6,676,329.40

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Solution

The fourth proportional to 12,108,644.28, 16,710,041.90 and 6,676,329.40 is: 9,213,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,644.28 : 16,710,041.90 = 6,676,329.40 : x
  2. Step 2: Convert to fraction form
    12,108,644.28/16,710,041.90 = 6,676,329.40/x
  3. Step 3: Cross multiply
    12,108,644.28x = 16,710,041.90 × 6,676,329.40
  4. Step 4: Simplify right side
    12,108,644.28x = 111,561,744,012,201.88
  5. Step 5: Solve for x
    x = 111,561,744,012,201.88/12,108,644.28
  6. Step 6: Final answer
    x = 9,213,396.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.