Home / 15,075,400.28-20,798,416.56-8,876,658.61

Finding the Fourth Proportional to 15,075,400.28, 20,798,416.56 and 8,876,658.61

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Solution

The fourth proportional to 15,075,400.28, 20,798,416.56 and 8,876,658.61 is: 12,246,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075,400.28 : 20,798,416.56 = 8,876,658.61 : x
  2. Step 2: Convert to fraction form
    15,075,400.28/20,798,416.56 = 8,876,658.61/x
  3. Step 3: Cross multiply
    15,075,400.28x = 20,798,416.56 × 8,876,658.61
  4. Step 4: Simplify right side
    15,075,400.28x = 184,620,443,412,982
  5. Step 5: Solve for x
    x = 184,620,443,412,982/15,075,400.28
  6. Step 6: Final answer
    x = 12,246,470.41

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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.