Home / 15,028,882.26-20,739,865.02-8,153,362.50

Finding the Fourth Proportional to 15,028,882.26, 20,739,865.02 and 8,153,362.50

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Solution

The fourth proportional to 15,028,882.26, 20,739,865.02 and 8,153,362.50 is: 11,251,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,882.26 : 20,739,865.02 = 8,153,362.50 : x
  2. Step 2: Convert to fraction form
    15,028,882.26/20,739,865.02 = 8,153,362.50/x
  3. Step 3: Cross multiply
    15,028,882.26x = 20,739,865.02 × 8,153,362.50
  4. Step 4: Simplify right side
    15,028,882.26x = 169,099,637,709,129.75
  5. Step 5: Solve for x
    x = 169,099,637,709,129.75/15,028,882.26
  6. Step 6: Final answer
    x = 11,251,644.32

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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.