Home / 7,808,431.40-11,703,315.90-4,019,964.20

Finding the Fourth Proportional to 7,808,431.40, 11,703,315.90 and 4,019,964.20

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Solution

The fourth proportional to 7,808,431.40, 11,703,315.90 and 4,019,964.20 is: 6,025,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808,431.40 : 11,703,315.90 = 4,019,964.20 : x
  2. Step 2: Convert to fraction form
    7,808,431.40/11,703,315.90 = 4,019,964.20/x
  3. Step 3: Cross multiply
    7,808,431.40x = 11,703,315.90 × 4,019,964.20
  4. Step 4: Simplify right side
    7,808,431.40x = 47,046,910,939,290.78
  5. Step 5: Solve for x
    x = 47,046,910,939,290.78/7,808,431.40
  6. Step 6: Final answer
    x = 6,025,142.38

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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.