Home / 22,186,918.60-30,617,360.28-12,397,443.22

Finding the Fourth Proportional to 22,186,918.60, 30,617,360.28 and 12,397,443.22

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Solution

The fourth proportional to 22,186,918.60, 30,617,360.28 and 12,397,443.22 is: 17,108,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186,918.60 : 30,617,360.28 = 12,397,443.22 : x
  2. Step 2: Convert to fraction form
    22,186,918.60/30,617,360.28 = 12,397,443.22/x
  3. Step 3: Cross multiply
    22,186,918.60x = 30,617,360.28 × 12,397,443.22
  4. Step 4: Simplify right side
    22,186,918.60x = 379,576,985,617,583.31
  5. Step 5: Solve for x
    x = 379,576,985,617,583.31/22,186,918.60
  6. Step 6: Final answer
    x = 17,108,143.43

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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.