Home / 28,078,596.96-38,744,901.48-16,471,925.52

Finding the Fourth Proportional to 28,078,596.96, 38,744,901.48 and 16,471,925.52

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Solution

The fourth proportional to 28,078,596.96, 38,744,901.48 and 16,471,925.52 is: 22,729,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,596.96 : 38,744,901.48 = 16,471,925.52 : x
  2. Step 2: Convert to fraction form
    28,078,596.96/38,744,901.48 = 16,471,925.52/x
  3. Step 3: Cross multiply
    28,078,596.96x = 38,744,901.48 × 16,471,925.52
  4. Step 4: Simplify right side
    28,078,596.96x = 638,203,131,458,297.75
  5. Step 5: Solve for x
    x = 638,203,131,458,297.75/28,078,596.96
  6. Step 6: Final answer
    x = 22,729,167.43

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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.