Home / 38,773,134.93-53,506,232.03-21,132,196.37

Finding the Fourth Proportional to 38,773,134.93, 53,506,232.03 and 21,132,196.37

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Solution

The fourth proportional to 38,773,134.93, 53,506,232.03 and 21,132,196.37 is: 29,162,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773,134.93 : 53,506,232.03 = 21,132,196.37 : x
  2. Step 2: Convert to fraction form
    38,773,134.93/53,506,232.03 = 21,132,196.37/x
  3. Step 3: Cross multiply
    38,773,134.93x = 53,506,232.03 × 21,132,196.37
  4. Step 4: Simplify right side
    38,773,134.93x = 1,130,704,202,276,743.75
  5. Step 5: Solve for x
    x = 1,130,704,202,276,743.75/38,773,134.93
  6. Step 6: Final answer
    x = 29,162,052.65

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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.