Home / 7,339,309.76-10,128,372.68-4,031,743.45

Finding the Fourth Proportional to 7,339,309.76, 10,128,372.68 and 4,031,743.45

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Solution

The fourth proportional to 7,339,309.76, 10,128,372.68 and 4,031,743.45 is: 5,563,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,309.76 : 10,128,372.68 = 4,031,743.45 : x
  2. Step 2: Convert to fraction form
    7,339,309.76/10,128,372.68 = 4,031,743.45/x
  3. Step 3: Cross multiply
    7,339,309.76x = 10,128,372.68 × 4,031,743.45
  4. Step 4: Simplify right side
    7,339,309.76x = 40,835,000,211,748.95
  5. Step 5: Solve for x
    x = 40,835,000,211,748.95/7,339,309.76
  6. Step 6: Final answer
    x = 5,563,874.74

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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.