Home / 15,359,954.67-21,196,672.82-8,484,436.73

Finding the Fourth Proportional to 15,359,954.67, 21,196,672.82 and 8,484,436.73

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Solution

The fourth proportional to 15,359,954.67, 21,196,672.82 and 8,484,436.73 is: 11,708,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359,954.67 : 21,196,672.82 = 8,484,436.73 : x
  2. Step 2: Convert to fraction form
    15,359,954.67/21,196,672.82 = 8,484,436.73/x
  3. Step 3: Cross multiply
    15,359,954.67x = 21,196,672.82 × 8,484,436.73
  4. Step 4: Simplify right side
    15,359,954.67x = 179,841,829,470,186.81
  5. Step 5: Solve for x
    x = 179,841,829,470,186.81/15,359,954.67
  6. Step 6: Final answer
    x = 11,708,486.99

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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.