Home / 15,599,636.28-21,527,424.57-8,724,145.68

Finding the Fourth Proportional to 15,599,636.28, 21,527,424.57 and 8,724,145.68

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Solution

The fourth proportional to 15,599,636.28, 21,527,424.57 and 8,724,145.68 is: 12,039,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599,636.28 : 21,527,424.57 = 8,724,145.68 : x
  2. Step 2: Convert to fraction form
    15,599,636.28/21,527,424.57 = 8,724,145.68/x
  3. Step 3: Cross multiply
    15,599,636.28x = 21,527,424.57 × 8,724,145.68
  4. Step 4: Simplify right side
    15,599,636.28x = 187,808,388,063,891.34
  5. Step 5: Solve for x
    x = 187,808,388,063,891.34/15,599,636.28
  6. Step 6: Final answer
    x = 12,039,279.94

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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.