Home / 7,707,758.72-10,635,931.76-4,269,357.28

Finding the Fourth Proportional to 7,707,758.72, 10,635,931.76 and 4,269,357.28

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Solution

The fourth proportional to 7,707,758.72, 10,635,931.76 and 4,269,357.28 is: 5,891,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707,758.72 : 10,635,931.76 = 4,269,357.28 : x
  2. Step 2: Convert to fraction form
    7,707,758.72/10,635,931.76 = 4,269,357.28/x
  3. Step 3: Cross multiply
    7,707,758.72x = 10,635,931.76 × 4,269,357.28
  4. Step 4: Simplify right side
    7,707,758.72x = 45,408,592,689,139.21
  5. Step 5: Solve for x
    x = 45,408,592,689,139.21/7,707,758.72
  6. Step 6: Final answer
    x = 5,891,283.62

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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.