Home / 22,623,798-31,220,578.80-12,310,343.40

Finding the Fourth Proportional to 22,623,798, 31,220,578.80 and 12,310,343.40

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Solution

The fourth proportional to 22,623,798, 31,220,578.80 and 12,310,343.40 is: 16,988,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623,798 : 31,220,578.80 = 12,310,343.40 : x
  2. Step 2: Convert to fraction form
    22,623,798/31,220,578.80 = 12,310,343.40/x
  3. Step 3: Cross multiply
    22,623,798x = 31,220,578.80 × 12,310,343.40
  4. Step 4: Simplify right side
    22,623,798x = 384,336,046,174,759.94
  5. Step 5: Solve for x
    x = 384,336,046,174,759.94/22,623,798
  6. Step 6: Final answer
    x = 16,988,131.09

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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.