Home / 7,521,987.75-10,380,343.10-4,302,723.75

Finding the Fourth Proportional to 7,521,987.75, 10,380,343.10 and 4,302,723.75

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Solution

The fourth proportional to 7,521,987.75, 10,380,343.10 and 4,302,723.75 is: 5,937,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521,987.75 : 10,380,343.10 = 4,302,723.75 : x
  2. Step 2: Convert to fraction form
    7,521,987.75/10,380,343.10 = 4,302,723.75/x
  3. Step 3: Cross multiply
    7,521,987.75x = 10,380,343.10 × 4,302,723.75
  4. Step 4: Simplify right side
    7,521,987.75x = 44,663,748,768,005.01
  5. Step 5: Solve for x
    x = 44,663,748,768,005.01/7,521,987.75
  6. Step 6: Final answer
    x = 5,937,758.78

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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.