Home / 22,593,843.20-31,178,848.32-12,805,192.06

Finding the Fourth Proportional to 22,593,843.20, 31,178,848.32 and 12,805,192.06

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Solution

The fourth proportional to 22,593,843.20, 31,178,848.32 and 12,805,192.06 is: 17,670,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,593,843.20 : 31,178,848.32 = 12,805,192.06 : x
  2. Step 2: Convert to fraction form
    22,593,843.20/31,178,848.32 = 12,805,192.06/x
  3. Step 3: Cross multiply
    22,593,843.20x = 31,178,848.32 × 12,805,192.06
  4. Step 4: Simplify right side
    22,593,843.20x = 399,251,140,869,261.19
  5. Step 5: Solve for x
    x = 399,251,140,869,261.19/22,593,843.20
  6. Step 6: Final answer
    x = 17,670,793.64

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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.