Home / 30,622,761.24-42,259,387.41-16,871,725.38

Finding the Fourth Proportional to 30,622,761.24, 42,259,387.41 and 16,871,725.38

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Solution

The fourth proportional to 30,622,761.24, 42,259,387.41 and 16,871,725.38 is: 23,282,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,761.24 : 42,259,387.41 = 16,871,725.38 : x
  2. Step 2: Convert to fraction form
    30,622,761.24/42,259,387.41 = 16,871,725.38/x
  3. Step 3: Cross multiply
    30,622,761.24x = 42,259,387.41 × 16,871,725.38
  4. Step 4: Simplify right side
    30,622,761.24x = 712,988,779,108,549.38
  5. Step 5: Solve for x
    x = 712,988,779,108,549.38/30,622,761.24
  6. Step 6: Final answer
    x = 23,282,968.30

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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.