Home / 15,220,980-22,827,976.24-9,074,700.80

Finding the Fourth Proportional to 15,220,980, 22,827,976.24 and 9,074,700.80

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Solution

The fourth proportional to 15,220,980, 22,827,976.24 and 9,074,700.80 is: 13,609,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220,980 : 22,827,976.24 = 9,074,700.80 : x
  2. Step 2: Convert to fraction form
    15,220,980/22,827,976.24 = 9,074,700.80/x
  3. Step 3: Cross multiply
    15,220,980x = 22,827,976.24 × 9,074,700.80
  4. Step 4: Simplify right side
    15,220,980x = 207,157,054,247,509
  5. Step 5: Solve for x
    x = 207,157,054,247,509/15,220,980
  6. Step 6: Final answer
    x = 13,609,968.23

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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.