Home / 9,031,131.21-12,459,743.69-5,357,233.65

Finding the Fourth Proportional to 9,031,131.21, 12,459,743.69 and 5,357,233.65

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Solution

The fourth proportional to 9,031,131.21, 12,459,743.69 and 5,357,233.65 is: 7,391,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031,131.21 : 12,459,743.69 = 5,357,233.65 : x
  2. Step 2: Convert to fraction form
    9,031,131.21/12,459,743.69 = 5,357,233.65/x
  3. Step 3: Cross multiply
    9,031,131.21x = 12,459,743.69 × 5,357,233.65
  4. Step 4: Simplify right side
    9,031,131.21x = 66,749,758,139,657.01
  5. Step 5: Solve for x
    x = 66,749,758,139,657.01/9,031,131.21
  6. Step 6: Final answer
    x = 7,391,073.90

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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.