Home / 20,847,502.41-28,771,276.95-11,557,987.54

Finding the Fourth Proportional to 20,847,502.41, 28,771,276.95 and 11,557,987.54

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Solution

The fourth proportional to 20,847,502.41, 28,771,276.95 and 11,557,987.54 is: 15,950,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,502.41 : 28,771,276.95 = 11,557,987.54 : x
  2. Step 2: Convert to fraction form
    20,847,502.41/28,771,276.95 = 11,557,987.54/x
  3. Step 3: Cross multiply
    20,847,502.41x = 28,771,276.95 × 11,557,987.54
  4. Step 4: Simplify right side
    20,847,502.41x = 332,538,060,492,972.62
  5. Step 5: Solve for x
    x = 332,538,060,492,972.62/20,847,502.41
  6. Step 6: Final answer
    x = 15,950,978.40

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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.