Home / 22,268,207.10-30,730,882.23-21,247,840.38

Finding the Fourth Proportional to 22,268,207.10, 30,730,882.23 and 21,247,840.38

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Solution

The fourth proportional to 22,268,207.10, 30,730,882.23 and 21,247,840.38 is: 29,322,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268,207.10 : 30,730,882.23 = 21,247,840.38 : x
  2. Step 2: Convert to fraction form
    22,268,207.10/30,730,882.23 = 21,247,840.38/x
  3. Step 3: Cross multiply
    22,268,207.10x = 30,730,882.23 × 21,247,840.38
  4. Step 4: Simplify right side
    22,268,207.10x = 652,964,880,359,618.38
  5. Step 5: Solve for x
    x = 652,964,880,359,618.38/22,268,207.10
  6. Step 6: Final answer
    x = 29,322,741.50

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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.