Home / 20,897,172.99-31,349,525.38-8,598,963.94

Finding the Fourth Proportional to 20,897,172.99, 31,349,525.38 and 8,598,963.94

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Solution

The fourth proportional to 20,897,172.99, 31,349,525.38 and 8,598,963.94 is: 12,899,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897,172.99 : 31,349,525.38 = 8,598,963.94 : x
  2. Step 2: Convert to fraction form
    20,897,172.99/31,349,525.38 = 8,598,963.94/x
  3. Step 3: Cross multiply
    20,897,172.99x = 31,349,525.38 × 8,598,963.94
  4. Step 4: Simplify right side
    20,897,172.99x = 269,573,438,178,863.59
  5. Step 5: Solve for x
    x = 269,573,438,178,863.59/20,897,172.99
  6. Step 6: Final answer
    x = 12,899,995.53

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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.