Home / 20,187,775.80-30,261,980.70-11,543,002.20

Finding the Fourth Proportional to 20,187,775.80, 30,261,980.70 and 11,543,002.20

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Solution

The fourth proportional to 20,187,775.80, 30,261,980.70 and 11,543,002.20 is: 17,303,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,775.80 : 30,261,980.70 = 11,543,002.20 : x
  2. Step 2: Convert to fraction form
    20,187,775.80/30,261,980.70 = 11,543,002.20/x
  3. Step 3: Cross multiply
    20,187,775.80x = 30,261,980.70 × 11,543,002.20
  4. Step 4: Simplify right side
    20,187,775.80x = 349,314,109,796,457.50
  5. Step 5: Solve for x
    x = 349,314,109,796,457.50/20,187,775.80
  6. Step 6: Final answer
    x = 17,303,248.92

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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.