Home / 22,841,213.16-31,520,919.62-12,528,021

Finding the Fourth Proportional to 22,841,213.16, 31,520,919.62 and 12,528,021

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Solution

The fourth proportional to 22,841,213.16, 31,520,919.62 and 12,528,021 is: 17,288,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,841,213.16 : 31,520,919.62 = 12,528,021 : x
  2. Step 2: Convert to fraction form
    22,841,213.16/31,520,919.62 = 12,528,021/x
  3. Step 3: Cross multiply
    22,841,213.16x = 31,520,919.62 × 12,528,021
  4. Step 4: Simplify right side
    22,841,213.16x = 394,894,742,938,672.06
  5. Step 5: Solve for x
    x = 394,894,742,938,672.06/22,841,213.16
  6. Step 6: Final answer
    x = 17,288,693.91

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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.