Home / 9,739,446.28-13,440,831.49-5,388,461.72

Finding the Fourth Proportional to 9,739,446.28, 13,440,831.49 and 5,388,461.72

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Solution

The fourth proportional to 9,739,446.28, 13,440,831.49 and 5,388,461.72 is: 7,436,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739,446.28 : 13,440,831.49 = 5,388,461.72 : x
  2. Step 2: Convert to fraction form
    9,739,446.28/13,440,831.49 = 5,388,461.72/x
  3. Step 3: Cross multiply
    9,739,446.28x = 13,440,831.49 × 5,388,461.72
  4. Step 4: Simplify right side
    9,739,446.28x = 72,425,405,958,770.11
  5. Step 5: Solve for x
    x = 72,425,405,958,770.11/9,739,446.28
  6. Step 6: Final answer
    x = 7,436,296.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.