Home / 15,247,401.76-21,041,715.36-8,371,823.68

Finding the Fourth Proportional to 15,247,401.76, 21,041,715.36 and 8,371,823.68

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Solution

The fourth proportional to 15,247,401.76, 21,041,715.36 and 8,371,823.68 is: 11,553,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,401.76 : 21,041,715.36 = 8,371,823.68 : x
  2. Step 2: Convert to fraction form
    15,247,401.76/21,041,715.36 = 8,371,823.68/x
  3. Step 3: Cross multiply
    15,247,401.76x = 21,041,715.36 × 8,371,823.68
  4. Step 4: Simplify right side
    15,247,401.76x = 176,157,530,918,667.72
  5. Step 5: Solve for x
    x = 176,157,530,918,667.72/15,247,401.76
  6. Step 6: Final answer
    x = 11,553,281.91

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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.