Home / 20,178,823.38-27,847,364.52-11,012,056.62

Finding the Fourth Proportional to 20,178,823.38, 27,847,364.52 and 11,012,056.62

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Solution

The fourth proportional to 20,178,823.38, 27,847,364.52 and 11,012,056.62 is: 15,196,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,823.38 : 27,847,364.52 = 11,012,056.62 : x
  2. Step 2: Convert to fraction form
    20,178,823.38/27,847,364.52 = 11,012,056.62/x
  3. Step 3: Cross multiply
    20,178,823.38x = 27,847,364.52 × 11,012,056.62
  4. Step 4: Simplify right side
    20,178,823.38x = 306,656,754,812,019.12
  5. Step 5: Solve for x
    x = 306,656,754,812,019.12/20,178,823.38
  6. Step 6: Final answer
    x = 15,196,959.16

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1.5x scale

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.