Home / 13,634,478.76-18,815,974.60-7,523,300.92

Finding the Fourth Proportional to 13,634,478.76, 18,815,974.60 and 7,523,300.92

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Solution

The fourth proportional to 13,634,478.76, 18,815,974.60 and 7,523,300.92 is: 10,382,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,478.76 : 18,815,974.60 = 7,523,300.92 : x
  2. Step 2: Convert to fraction form
    13,634,478.76/18,815,974.60 = 7,523,300.92/x
  3. Step 3: Cross multiply
    13,634,478.76x = 18,815,974.60 × 7,523,300.92
  4. Step 4: Simplify right side
    13,634,478.76x = 141,558,239,018,876.66
  5. Step 5: Solve for x
    x = 141,558,239,018,876.66/13,634,478.76
  6. Step 6: Final answer
    x = 10,382,372.62

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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.