Home / 39,927,640.76-55,100,310.24-21,592,926.26

Finding the Fourth Proportional to 39,927,640.76, 55,100,310.24 and 21,592,926.26

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Solution

The fourth proportional to 39,927,640.76, 55,100,310.24 and 21,592,926.26 is: 29,798,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,640.76 : 55,100,310.24 = 21,592,926.26 : x
  2. Step 2: Convert to fraction form
    39,927,640.76/55,100,310.24 = 21,592,926.26/x
  3. Step 3: Cross multiply
    39,927,640.76x = 55,100,310.24 × 21,592,926.26
  4. Step 4: Simplify right side
    39,927,640.76x = 1,189,776,935,915,443
  5. Step 5: Solve for x
    x = 1,189,776,935,915,443/39,927,640.76
  6. Step 6: Final answer
    x = 29,798,328.01

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Double scale
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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.