Home / 10,649,404.20-15,964,775.10-6,385,045.80

Finding the Fourth Proportional to 10,649,404.20, 15,964,775.10 and 6,385,045.80

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Solution

The fourth proportional to 10,649,404.20, 15,964,775.10 and 6,385,045.80 is: 9,571,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,404.20 : 15,964,775.10 = 6,385,045.80 : x
  2. Step 2: Convert to fraction form
    10,649,404.20/15,964,775.10 = 6,385,045.80/x
  3. Step 3: Cross multiply
    10,649,404.20x = 15,964,775.10 × 6,385,045.80
  4. Step 4: Simplify right side
    10,649,404.20x = 101,935,820,200,199.58
  5. Step 5: Solve for x
    x = 101,935,820,200,199.58/10,649,404.20
  6. Step 6: Final answer
    x = 9,571,974.01

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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.