Home / 30,131,718.85-41,582,121.08-16,720,659.42

Finding the Fourth Proportional to 30,131,718.85, 41,582,121.08 and 16,720,659.42

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Solution

The fourth proportional to 30,131,718.85, 41,582,121.08 and 16,720,659.42 is: 23,074,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131,718.85 : 41,582,121.08 = 16,720,659.42 : x
  2. Step 2: Convert to fraction form
    30,131,718.85/41,582,121.08 = 16,720,659.42/x
  3. Step 3: Cross multiply
    30,131,718.85x = 41,582,121.08 × 16,720,659.42
  4. Step 4: Simplify right side
    30,131,718.85x = 695,280,484,539,882.50
  5. Step 5: Solve for x
    x = 695,280,484,539,882.50/30,131,718.85
  6. Step 6: Final answer
    x = 23,074,703.70

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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.