Home / 38,628,846.40-57,943,269.60-11,702,502.40

Finding the Fourth Proportional to 38,628,846.40, 57,943,269.60 and 11,702,502.40

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Solution

The fourth proportional to 38,628,846.40, 57,943,269.60 and 11,702,502.40 is: 17,553,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628,846.40 : 57,943,269.60 = 11,702,502.40 : x
  2. Step 2: Convert to fraction form
    38,628,846.40/57,943,269.60 = 11,702,502.40/x
  3. Step 3: Cross multiply
    38,628,846.40x = 57,943,269.60 × 11,702,502.40
  4. Step 4: Simplify right side
    38,628,846.40x = 678,081,251,557,847.12
  5. Step 5: Solve for x
    x = 678,081,251,557,847.12/38,628,846.40
  6. Step 6: Final answer
    x = 17,553,753.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.