Home / 40,486,604.64-55,871,345.18-21,901,698.55

Finding the Fourth Proportional to 40,486,604.64, 55,871,345.18 and 21,901,698.55

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Solution

The fourth proportional to 40,486,604.64, 55,871,345.18 and 21,901,698.55 is: 30,224,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486,604.64 : 55,871,345.18 = 21,901,698.55 : x
  2. Step 2: Convert to fraction form
    40,486,604.64/55,871,345.18 = 21,901,698.55/x
  3. Step 3: Cross multiply
    40,486,604.64x = 55,871,345.18 × 21,901,698.55
  4. Step 4: Simplify right side
    40,486,604.64x = 1,223,677,359,605,847
  5. Step 5: Solve for x
    x = 1,223,677,359,605,847/40,486,604.64
  6. Step 6: Final answer
    x = 30,224,252.46

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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.