Home / 27,378,639-41,108,330.52-15,271,756.92

Finding the Fourth Proportional to 27,378,639, 41,108,330.52 and 15,271,756.92

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Solution

The fourth proportional to 27,378,639, 41,108,330.52 and 15,271,756.92 is: 22,930,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378,639 : 41,108,330.52 = 15,271,756.92 : x
  2. Step 2: Convert to fraction form
    27,378,639/41,108,330.52 = 15,271,756.92/x
  3. Step 3: Cross multiply
    27,378,639x = 41,108,330.52 × 15,271,756.92
  4. Step 4: Simplify right side
    27,378,639x = 627,796,431,088,457.25
  5. Step 5: Solve for x
    x = 627,796,431,088,457.25/27,378,639
  6. Step 6: Final answer
    x = 22,930,154.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.