Home / 19,251,021.60-28,876,532.40-15,471,885.60

Finding the Fourth Proportional to 19,251,021.60, 28,876,532.40 and 15,471,885.60

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Solution

The fourth proportional to 19,251,021.60, 28,876,532.40 and 15,471,885.60 is: 23,207,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,021.60 : 28,876,532.40 = 15,471,885.60 : x
  2. Step 2: Convert to fraction form
    19,251,021.60/28,876,532.40 = 15,471,885.60/x
  3. Step 3: Cross multiply
    19,251,021.60x = 28,876,532.40 × 15,471,885.60
  4. Step 4: Simplify right side
    19,251,021.60x = 446,774,405,817,493.38
  5. Step 5: Solve for x
    x = 446,774,405,817,493.38/19,251,021.60
  6. Step 6: Final answer
    x = 23,207,828.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.