Home / 22,661,358.56-31,271,697.20-12,871,772.48

Finding the Fourth Proportional to 22,661,358.56, 31,271,697.20 and 12,871,772.48

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Solution

The fourth proportional to 22,661,358.56, 31,271,697.20 and 12,871,772.48 is: 17,762,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661,358.56 : 31,271,697.20 = 12,871,772.48 : x
  2. Step 2: Convert to fraction form
    22,661,358.56/31,271,697.20 = 12,871,772.48/x
  3. Step 3: Cross multiply
    22,661,358.56x = 31,271,697.20 × 12,871,772.48
  4. Step 4: Simplify right side
    22,661,358.56x = 402,522,171,421,853.06
  5. Step 5: Solve for x
    x = 402,522,171,421,853.06/22,661,358.56
  6. Step 6: Final answer
    x = 17,762,490.73

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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.