Home / 38,298,622.60-57,455,807.10-12,757,961.80

Finding the Fourth Proportional to 38,298,622.60, 57,455,807.10 and 12,757,961.80

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Solution

The fourth proportional to 38,298,622.60, 57,455,807.10 and 12,757,961.80 is: 19,139,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298,622.60 : 57,455,807.10 = 12,757,961.80 : x
  2. Step 2: Convert to fraction form
    38,298,622.60/57,455,807.10 = 12,757,961.80/x
  3. Step 3: Cross multiply
    38,298,622.60x = 57,455,807.10 × 12,757,961.80
  4. Step 4: Simplify right side
    38,298,622.60x = 733,018,992,169,968.88
  5. Step 5: Solve for x
    x = 733,018,992,169,968.88/38,298,622.60
  6. Step 6: Final answer
    x = 19,139,565.40

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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.