Home / 30,871,627.20-42,605,464.32-17,125,020

Finding the Fourth Proportional to 30,871,627.20, 42,605,464.32 and 17,125,020

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Solution

The fourth proportional to 30,871,627.20, 42,605,464.32 and 17,125,020 is: 23,633,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,627.20 : 42,605,464.32 = 17,125,020 : x
  2. Step 2: Convert to fraction form
    30,871,627.20/42,605,464.32 = 17,125,020/x
  3. Step 3: Cross multiply
    30,871,627.20x = 42,605,464.32 × 17,125,020
  4. Step 4: Simplify right side
    30,871,627.20x = 729,619,428,589,286.38
  5. Step 5: Solve for x
    x = 729,619,428,589,286.38/30,871,627.20
  6. Step 6: Final answer
    x = 23,633,980.28

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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.