Home / 19,885,568.80-27,445,851.66-12,446,680.27

Finding the Fourth Proportional to 19,885,568.80, 27,445,851.66 and 12,446,680.27

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Solution

The fourth proportional to 19,885,568.80, 27,445,851.66 and 12,446,680.27 is: 17,178,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,568.80 : 27,445,851.66 = 12,446,680.27 : x
  2. Step 2: Convert to fraction form
    19,885,568.80/27,445,851.66 = 12,446,680.27/x
  3. Step 3: Cross multiply
    19,885,568.80x = 27,445,851.66 × 12,446,680.27
  4. Step 4: Simplify right side
    19,885,568.80x = 341,609,740,349,868.75
  5. Step 5: Solve for x
    x = 341,609,740,349,868.75/19,885,568.80
  6. Step 6: Final answer
    x = 17,178,776.42

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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.