Home / 10,649,359.70-15,964,708.35-6,385,001.30

Finding the Fourth Proportional to 10,649,359.70, 15,964,708.35 and 6,385,001.30

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Solution

The fourth proportional to 10,649,359.70, 15,964,708.35 and 6,385,001.30 is: 9,571,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,359.70 : 15,964,708.35 = 6,385,001.30 : x
  2. Step 2: Convert to fraction form
    10,649,359.70/15,964,708.35 = 6,385,001.30/x
  3. Step 3: Cross multiply
    10,649,359.70x = 15,964,708.35 × 6,385,001.30
  4. Step 4: Simplify right side
    10,649,359.70x = 101,934,683,568,870.84
  5. Step 5: Solve for x
    x = 101,934,683,568,870.84/10,649,359.70
  6. Step 6: Final answer
    x = 9,571,907.27

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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.