Home / 6,912,566.30-10,368,849.45-4,390,031.90

Finding the Fourth Proportional to 6,912,566.30, 10,368,849.45 and 4,390,031.90

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Solution

The fourth proportional to 6,912,566.30, 10,368,849.45 and 4,390,031.90 is: 6,585,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,566.30 : 10,368,849.45 = 4,390,031.90 : x
  2. Step 2: Convert to fraction form
    6,912,566.30/10,368,849.45 = 4,390,031.90/x
  3. Step 3: Cross multiply
    6,912,566.30x = 10,368,849.45 × 4,390,031.90
  4. Step 4: Simplify right side
    6,912,566.30x = 45,519,579,851,797.45
  5. Step 5: Solve for x
    x = 45,519,579,851,797.45/6,912,566.30
  6. Step 6: Final answer
    x = 6,585,047.85

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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.