Home / 27,725,689.38-38,258,883.68-15,335,516.16

Finding the Fourth Proportional to 27,725,689.38, 38,258,883.68 and 15,335,516.16

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Solution

The fourth proportional to 27,725,689.38, 38,258,883.68 and 15,335,516.16 is: 21,161,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725,689.38 : 38,258,883.68 = 15,335,516.16 : x
  2. Step 2: Convert to fraction form
    27,725,689.38/38,258,883.68 = 15,335,516.16/x
  3. Step 3: Cross multiply
    27,725,689.38x = 38,258,883.68 × 15,335,516.16
  4. Step 4: Simplify right side
    27,725,689.38x = 586,719,728,938,200.25
  5. Step 5: Solve for x
    x = 586,719,728,938,200.25/27,725,689.38
  6. Step 6: Final answer
    x = 21,161,592.09

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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.