Home / 20,671,861.48-28,527,531.60-11,252,923.28

Finding the Fourth Proportional to 20,671,861.48, 28,527,531.60 and 11,252,923.28

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Solution

The fourth proportional to 20,671,861.48, 28,527,531.60 and 11,252,923.28 is: 15,529,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,861.48 : 28,527,531.60 = 11,252,923.28 : x
  2. Step 2: Convert to fraction form
    20,671,861.48/28,527,531.60 = 11,252,923.28/x
  3. Step 3: Cross multiply
    20,671,861.48x = 28,527,531.60 × 11,252,923.28
  4. Step 4: Simplify right side
    20,671,861.48x = 321,018,124,462,575.62
  5. Step 5: Solve for x
    x = 321,018,124,462,575.62/20,671,861.48
  6. Step 6: Final answer
    x = 15,529,231.60

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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.