Home / 22,360,428.09-30,857,205.24-12,570,915.90

Finding the Fourth Proportional to 22,360,428.09, 30,857,205.24 and 12,570,915.90

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Solution

The fourth proportional to 22,360,428.09, 30,857,205.24 and 12,570,915.90 is: 17,347,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360,428.09 : 30,857,205.24 = 12,570,915.90 : x
  2. Step 2: Convert to fraction form
    22,360,428.09/30,857,205.24 = 12,570,915.90/x
  3. Step 3: Cross multiply
    22,360,428.09x = 30,857,205.24 × 12,570,915.90
  4. Step 4: Simplify right side
    22,360,428.09x = 387,903,331,981,079.31
  5. Step 5: Solve for x
    x = 387,903,331,981,079.31/22,360,428.09
  6. Step 6: Final answer
    x = 17,347,759.64

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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.