Home / 18,387,820.60-27,581,730.90-16,403,774.20

Finding the Fourth Proportional to 18,387,820.60, 27,581,730.90 and 16,403,774.20

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Solution

The fourth proportional to 18,387,820.60, 27,581,730.90 and 16,403,774.20 is: 24,605,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387,820.60 : 27,581,730.90 = 16,403,774.20 : x
  2. Step 2: Convert to fraction form
    18,387,820.60/27,581,730.90 = 16,403,774.20/x
  3. Step 3: Cross multiply
    18,387,820.60x = 27,581,730.90 × 16,403,774.20
  4. Step 4: Simplify right side
    18,387,820.60x = 452,444,485,728,762.75
  5. Step 5: Solve for x
    x = 452,444,485,728,762.75/18,387,820.60
  6. Step 6: Final answer
    x = 24,605,661.30

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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.