Home / 21,062,708.10-31,594,062.15-17,661,485.70

Finding the Fourth Proportional to 21,062,708.10, 31,594,062.15 and 17,661,485.70

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Solution

The fourth proportional to 21,062,708.10, 31,594,062.15 and 17,661,485.70 is: 26,492,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,708.10 : 31,594,062.15 = 17,661,485.70 : x
  2. Step 2: Convert to fraction form
    21,062,708.10/31,594,062.15 = 17,661,485.70/x
  3. Step 3: Cross multiply
    21,062,708.10x = 31,594,062.15 × 17,661,485.70
  4. Step 4: Simplify right side
    21,062,708.10x = 557,998,076,867,136.19
  5. Step 5: Solve for x
    x = 557,998,076,867,136.19/21,062,708.10
  6. Step 6: Final answer
    x = 26,492,228.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.