Home / 22,021,988.40-30,389,315.40-12,233,062.80

Finding the Fourth Proportional to 22,021,988.40, 30,389,315.40 and 12,233,062.80

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Solution

The fourth proportional to 22,021,988.40, 30,389,315.40 and 12,233,062.80 is: 16,881,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021,988.40 : 30,389,315.40 = 12,233,062.80 : x
  2. Step 2: Convert to fraction form
    22,021,988.40/30,389,315.40 = 12,233,062.80/x
  3. Step 3: Cross multiply
    22,021,988.40x = 30,389,315.40 × 12,233,062.80
  4. Step 4: Simplify right side
    22,021,988.40x = 371,754,403,737,207.12
  5. Step 5: Solve for x
    x = 371,754,403,737,207.12/22,021,988.40
  6. Step 6: Final answer
    x = 16,881,055.29

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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.