Home / 18,387,830.60-27,581,745.90-16,403,784.20

Finding the Fourth Proportional to 18,387,830.60, 27,581,745.90 and 16,403,784.20

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Solution

The fourth proportional to 18,387,830.60, 27,581,745.90 and 16,403,784.20 is: 24,605,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387,830.60 : 27,581,745.90 = 16,403,784.20 : x
  2. Step 2: Convert to fraction form
    18,387,830.60/27,581,745.90 = 16,403,784.20/x
  3. Step 3: Cross multiply
    18,387,830.60x = 27,581,745.90 × 16,403,784.20
  4. Step 4: Simplify right side
    18,387,830.60x = 452,445,007,602,834.75
  5. Step 5: Solve for x
    x = 452,445,007,602,834.75/18,387,830.60
  6. Step 6: Final answer
    x = 24,605,676.30

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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.