Home / 8,390,720.24-12,581,018.12-3,203,668.48

Finding the Fourth Proportional to 8,390,720.24, 12,581,018.12 and 3,203,668.48

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Solution

The fourth proportional to 8,390,720.24, 12,581,018.12 and 3,203,668.48 is: 4,803,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390,720.24 : 12,581,018.12 = 3,203,668.48 : x
  2. Step 2: Convert to fraction form
    8,390,720.24/12,581,018.12 = 3,203,668.48/x
  3. Step 3: Cross multiply
    8,390,720.24x = 12,581,018.12 × 3,203,668.48
  4. Step 4: Simplify right side
    8,390,720.24x = 40,305,411,197,352.85
  5. Step 5: Solve for x
    x = 40,305,411,197,352.85/8,390,720.24
  6. Step 6: Final answer
    x = 4,803,569.90

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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.