Home / 13,057,189.96-18,017,776.02-7,255,604.20

Finding the Fourth Proportional to 13,057,189.96, 18,017,776.02 and 7,255,604.20

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Solution

The fourth proportional to 13,057,189.96, 18,017,776.02 and 7,255,604.20 is: 10,012,096.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,189.96 : 18,017,776.02 = 7,255,604.20 : x
  2. Step 2: Convert to fraction form
    13,057,189.96/18,017,776.02 = 7,255,604.20/x
  3. Step 3: Cross multiply
    13,057,189.96x = 18,017,776.02 × 7,255,604.20
  4. Step 4: Simplify right side
    13,057,189.96x = 130,729,851,365,371.28
  5. Step 5: Solve for x
    x = 130,729,851,365,371.28/13,057,189.96
  6. Step 6: Final answer
    x = 10,012,096.92

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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.