Home / 15,203,688.07-20,981,428.33-8,677,186.63

Finding the Fourth Proportional to 15,203,688.07, 20,981,428.33 and 8,677,186.63

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Solution

The fourth proportional to 15,203,688.07, 20,981,428.33 and 8,677,186.63 is: 11,974,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203,688.07 : 20,981,428.33 = 8,677,186.63 : x
  2. Step 2: Convert to fraction form
    15,203,688.07/20,981,428.33 = 8,677,186.63/x
  3. Step 3: Cross multiply
    15,203,688.07x = 20,981,428.33 × 8,677,186.63
  4. Step 4: Simplify right side
    15,203,688.07x = 182,059,769,325,502.41
  5. Step 5: Solve for x
    x = 182,059,769,325,502.41/15,203,688.07
  6. Step 6: Final answer
    x = 11,974,710.91

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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.