Home / 18,447,388.42-27,687,875.55-9,818,733.82

Finding the Fourth Proportional to 18,447,388.42, 27,687,875.55 and 9,818,733.82

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Solution

The fourth proportional to 18,447,388.42, 27,687,875.55 and 9,818,733.82 is: 14,737,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,388.42 : 27,687,875.55 = 9,818,733.82 : x
  2. Step 2: Convert to fraction form
    18,447,388.42/27,687,875.55 = 9,818,733.82/x
  3. Step 3: Cross multiply
    18,447,388.42x = 27,687,875.55 × 9,818,733.82
  4. Step 4: Simplify right side
    18,447,388.42x = 271,859,880,066,736.12
  5. Step 5: Solve for x
    x = 271,859,880,066,736.12/18,447,388.42
  6. Step 6: Final answer
    x = 14,737,038.86

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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.