Home / 27,887,614.70-41,831,422.05-18,817,688.30

Finding the Fourth Proportional to 27,887,614.70, 41,831,422.05 and 18,817,688.30

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Solution

The fourth proportional to 27,887,614.70, 41,831,422.05 and 18,817,688.30 is: 28,226,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,614.70 : 41,831,422.05 = 18,817,688.30 : x
  2. Step 2: Convert to fraction form
    27,887,614.70/41,831,422.05 = 18,817,688.30/x
  3. Step 3: Cross multiply
    27,887,614.70x = 41,831,422.05 × 18,817,688.30
  4. Step 4: Simplify right side
    27,887,614.70x = 787,170,661,282,647
  5. Step 5: Solve for x
    x = 787,170,661,282,647/27,887,614.70
  6. Step 6: Final answer
    x = 28,226,532.45

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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.