Home / 31,704,967.48-47,476,717.56-20,889,478.82

Finding the Fourth Proportional to 31,704,967.48, 47,476,717.56 and 20,889,478.82

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Solution

The fourth proportional to 31,704,967.48, 47,476,717.56 and 20,889,478.82 is: 31,281,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704,967.48 : 47,476,717.56 = 20,889,478.82 : x
  2. Step 2: Convert to fraction form
    31,704,967.48/47,476,717.56 = 20,889,478.82/x
  3. Step 3: Cross multiply
    31,704,967.48x = 47,476,717.56 × 20,889,478.82
  4. Step 4: Simplify right side
    31,704,967.48x = 991,763,885,912,742.12
  5. Step 5: Solve for x
    x = 991,763,885,912,742.12/31,704,967.48
  6. Step 6: Final answer
    x = 31,281,025.17

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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.