Home / 18,213,151.20-25,134,157.80-10,064,389.20

Finding the Fourth Proportional to 18,213,151.20, 25,134,157.80 and 10,064,389.20

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Solution

The fourth proportional to 18,213,151.20, 25,134,157.80 and 10,064,389.20 is: 13,888,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,151.20 : 25,134,157.80 = 10,064,389.20 : x
  2. Step 2: Convert to fraction form
    18,213,151.20/25,134,157.80 = 10,064,389.20/x
  3. Step 3: Cross multiply
    18,213,151.20x = 25,134,157.80 × 10,064,389.20
  4. Step 4: Simplify right side
    18,213,151.20x = 252,959,946,313,415.75
  5. Step 5: Solve for x
    x = 252,959,946,313,415.75/18,213,151.20
  6. Step 6: Final answer
    x = 13,888,862.15

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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.