Home / 15,028,868.76-20,739,846.40-8,153,349

Finding the Fourth Proportional to 15,028,868.76, 20,739,846.40 and 8,153,349

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Solution

The fourth proportional to 15,028,868.76, 20,739,846.40 and 8,153,349 is: 11,251,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,868.76 : 20,739,846.40 = 8,153,349 : x
  2. Step 2: Convert to fraction form
    15,028,868.76/20,739,846.40 = 8,153,349/x
  3. Step 3: Cross multiply
    15,028,868.76x = 20,739,846.40 × 8,153,349
  4. Step 4: Simplify right side
    15,028,868.76x = 169,099,205,885,210.25
  5. Step 5: Solve for x
    x = 169,099,205,885,210.25/15,028,868.76
  6. Step 6: Final answer
    x = 11,251,625.69

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1.5x scale

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.