Home / 5,153,113.17-7,111,513.13-2,861,487.09

Finding the Fourth Proportional to 5,153,113.17, 7,111,513.13 and 2,861,487.09

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Solution

The fourth proportional to 5,153,113.17, 7,111,513.13 and 2,861,487.09 is: 3,948,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,113.17 : 7,111,513.13 = 2,861,487.09 : x
  2. Step 2: Convert to fraction form
    5,153,113.17/7,111,513.13 = 2,861,487.09/x
  3. Step 3: Cross multiply
    5,153,113.17x = 7,111,513.13 × 2,861,487.09
  4. Step 4: Simplify right side
    5,153,113.17x = 20,349,502,997,553.05
  5. Step 5: Solve for x
    x = 20,349,502,997,553.05/5,153,113.17
  6. Step 6: Final answer
    x = 3,948,972.66

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Double scale
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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.