Home / 10,621,130.80-15,931,696.20-3,892,169.20

Finding the Fourth Proportional to 10,621,130.80, 15,931,696.20 and 3,892,169.20

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Solution

The fourth proportional to 10,621,130.80, 15,931,696.20 and 3,892,169.20 is: 5,838,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,130.80 : 15,931,696.20 = 3,892,169.20 : x
  2. Step 2: Convert to fraction form
    10,621,130.80/15,931,696.20 = 3,892,169.20/x
  3. Step 3: Cross multiply
    10,621,130.80x = 15,931,696.20 × 3,892,169.20
  4. Step 4: Simplify right side
    10,621,130.80x = 62,008,857,253,397.04
  5. Step 5: Solve for x
    x = 62,008,857,253,397.04/10,621,130.80
  6. Step 6: Final answer
    x = 5,838,253.80

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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.