Home / 22,120,391.94-30,527,803.24-12,827,881.32

Finding the Fourth Proportional to 22,120,391.94, 30,527,803.24 and 12,827,881.32

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Solution

The fourth proportional to 22,120,391.94, 30,527,803.24 and 12,827,881.32 is: 17,703,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120,391.94 : 30,527,803.24 = 12,827,881.32 : x
  2. Step 2: Convert to fraction form
    22,120,391.94/30,527,803.24 = 12,827,881.32/x
  3. Step 3: Cross multiply
    22,120,391.94x = 30,527,803.24 × 12,827,881.32
  4. Step 4: Simplify right side
    22,120,391.94x = 391,607,036,923,031.44
  5. Step 5: Solve for x
    x = 391,607,036,923,031.44/22,120,391.94
  6. Step 6: Final answer
    x = 17,703,440.25

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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.