Home / 20,280,174-27,986,640.12-11,695,470

Finding the Fourth Proportional to 20,280,174, 27,986,640.12 and 11,695,470

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Solution

The fourth proportional to 20,280,174, 27,986,640.12 and 11,695,470 is: 16,139,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,174 : 27,986,640.12 = 11,695,470 : x
  2. Step 2: Convert to fraction form
    20,280,174/27,986,640.12 = 11,695,470/x
  3. Step 3: Cross multiply
    20,280,174x = 27,986,640.12 × 11,695,470
  4. Step 4: Simplify right side
    20,280,174x = 327,316,909,924,256.44
  5. Step 5: Solve for x
    x = 327,316,909,924,256.44/20,280,174
  6. Step 6: Final answer
    x = 16,139,748.60

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1.5x scale

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.