Home / 7,041,915.72-9,718,082.40-3,944,571.24

Finding the Fourth Proportional to 7,041,915.72, 9,718,082.40 and 3,944,571.24

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Solution

The fourth proportional to 7,041,915.72, 9,718,082.40 and 3,944,571.24 is: 5,443,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041,915.72 : 9,718,082.40 = 3,944,571.24 : x
  2. Step 2: Convert to fraction form
    7,041,915.72/9,718,082.40 = 3,944,571.24/x
  3. Step 3: Cross multiply
    7,041,915.72x = 9,718,082.40 × 3,944,571.24
  4. Step 4: Simplify right side
    7,041,915.72x = 38,333,668,342,990.18
  5. Step 5: Solve for x
    x = 38,333,668,342,990.18/7,041,915.72
  6. Step 6: Final answer
    x = 5,443,642.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.