Home / 38,811,123.44-53,558,411.95-21,407,094.98

Finding the Fourth Proportional to 38,811,123.44, 53,558,411.95 and 21,407,094.98

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Solution

The fourth proportional to 38,811,123.44, 53,558,411.95 and 21,407,094.98 is: 29,541,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811,123.44 : 53,558,411.95 = 21,407,094.98 : x
  2. Step 2: Convert to fraction form
    38,811,123.44/53,558,411.95 = 21,407,094.98/x
  3. Step 3: Cross multiply
    38,811,123.44x = 53,558,411.95 × 21,407,094.98
  4. Step 4: Simplify right side
    38,811,123.44x = 1,146,530,011,591,617
  5. Step 5: Solve for x
    x = 1,146,530,011,591,617/38,811,123.44
  6. Step 6: Final answer
    x = 29,541,273.48

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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.