Home / 18,536,998.60-27,788,909.10-7,173,670.60

Finding the Fourth Proportional to 18,536,998.60, 27,788,909.10 and 7,173,670.60

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Solution

The fourth proportional to 18,536,998.60, 27,788,909.10 and 7,173,670.60 is: 10,754,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,998.60 : 27,788,909.10 = 7,173,670.60 : x
  2. Step 2: Convert to fraction form
    18,536,998.60/27,788,909.10 = 7,173,670.60/x
  3. Step 3: Cross multiply
    18,536,998.60x = 27,788,909.10 × 7,173,670.60
  4. Step 4: Simplify right side
    18,536,998.60x = 199,348,480,216,742.47
  5. Step 5: Solve for x
    x = 199,348,480,216,742.47/18,536,998.60
  6. Step 6: Final answer
    x = 10,754,086.17

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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.