Home / 23,186,555.76-31,996,196.93-12,872,614.55

Finding the Fourth Proportional to 23,186,555.76, 31,996,196.93 and 12,872,614.55

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Solution

The fourth proportional to 23,186,555.76, 31,996,196.93 and 12,872,614.55 is: 17,763,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186,555.76 : 31,996,196.93 = 12,872,614.55 : x
  2. Step 2: Convert to fraction form
    23,186,555.76/31,996,196.93 = 12,872,614.55/x
  3. Step 3: Cross multiply
    23,186,555.76x = 31,996,196.93 × 12,872,614.55
  4. Step 4: Simplify right side
    23,186,555.76x = 411,874,709,921,439.31
  5. Step 5: Solve for x
    x = 411,874,709,921,439.31/23,186,555.76
  6. Step 6: Final answer
    x = 17,763,514.09

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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.