Home / 38,903,760.19-53,687,355.83-21,263,018.05

Finding the Fourth Proportional to 38,903,760.19, 53,687,355.83 and 21,263,018.05

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Solution

The fourth proportional to 38,903,760.19, 53,687,355.83 and 21,263,018.05 is: 29,343,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903,760.19 : 53,687,355.83 = 21,263,018.05 : x
  2. Step 2: Convert to fraction form
    38,903,760.19/53,687,355.83 = 21,263,018.05/x
  3. Step 3: Cross multiply
    38,903,760.19x = 53,687,355.83 × 21,263,018.05
  4. Step 4: Simplify right side
    38,903,760.19x = 1,141,555,216,070,062.75
  5. Step 5: Solve for x
    x = 1,141,555,216,070,062.75/38,903,760.19
  6. Step 6: Final answer
    x = 29,343,056.06

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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.