Home / 28,022,223.03-38,670,560.40-15,632,306.61

Finding the Fourth Proportional to 28,022,223.03, 38,670,560.40 and 15,632,306.61

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Solution

The fourth proportional to 28,022,223.03, 38,670,560.40 and 15,632,306.61 is: 21,572,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022,223.03 : 38,670,560.40 = 15,632,306.61 : x
  2. Step 2: Convert to fraction form
    28,022,223.03/38,670,560.40 = 15,632,306.61/x
  3. Step 3: Cross multiply
    28,022,223.03x = 38,670,560.40 × 15,632,306.61
  4. Step 4: Simplify right side
    28,022,223.03x = 604,510,056,953,324.25
  5. Step 5: Solve for x
    x = 604,510,056,953,324.25/28,022,223.03
  6. Step 6: Final answer
    x = 21,572,523.22

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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.