Home / 22,456,344.61-30,989,940.69-12,398,167.45

Finding the Fourth Proportional to 22,456,344.61, 30,989,940.69 and 12,398,167.45

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Solution

The fourth proportional to 22,456,344.61, 30,989,940.69 and 12,398,167.45 is: 17,109,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456,344.61 : 30,989,940.69 = 12,398,167.45 : x
  2. Step 2: Convert to fraction form
    22,456,344.61/30,989,940.69 = 12,398,167.45/x
  3. Step 3: Cross multiply
    22,456,344.61x = 30,989,940.69 × 12,398,167.45
  4. Step 4: Simplify right side
    22,456,344.61x = 384,218,473,940,188.56
  5. Step 5: Solve for x
    x = 384,218,473,940,188.56/22,456,344.61
  6. Step 6: Final answer
    x = 17,109,573.29

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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.