Home / 38,871,765.95-53,643,404.25-22,125,687.64

Finding the Fourth Proportional to 38,871,765.95, 53,643,404.25 and 22,125,687.64

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Solution

The fourth proportional to 38,871,765.95, 53,643,404.25 and 22,125,687.64 is: 30,533,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871,765.95 : 53,643,404.25 = 22,125,687.64 : x
  2. Step 2: Convert to fraction form
    38,871,765.95/53,643,404.25 = 22,125,687.64/x
  3. Step 3: Cross multiply
    38,871,765.95x = 53,643,404.25 × 22,125,687.64
  4. Step 4: Simplify right side
    38,871,765.95x = 1,186,897,206,247,640
  5. Step 5: Solve for x
    x = 1,186,897,206,247,640/38,871,765.95
  6. Step 6: Final answer
    x = 30,533,657.97

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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.