Home / 9,720,170.40-14,544,826.20-8,869,864.80

Finding the Fourth Proportional to 9,720,170.40, 14,544,826.20 and 8,869,864.80

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Solution

The fourth proportional to 9,720,170.40, 14,544,826.20 and 8,869,864.80 is: 13,272,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,170.40 : 14,544,826.20 = 8,869,864.80 : x
  2. Step 2: Convert to fraction form
    9,720,170.40/14,544,826.20 = 8,869,864.80/x
  3. Step 3: Cross multiply
    9,720,170.40x = 14,544,826.20 × 8,869,864.80
  4. Step 4: Simplify right side
    9,720,170.40x = 129,010,641,933,497.77
  5. Step 5: Solve for x
    x = 129,010,641,933,497.77/9,720,170.40
  6. Step 6: Final answer
    x = 13,272,467.11

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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.