Home / 14,679,328.20-21,975,446.70-10,909,523.40

Finding the Fourth Proportional to 14,679,328.20, 21,975,446.70 and 10,909,523.40

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Solution

The fourth proportional to 14,679,328.20, 21,975,446.70 and 10,909,523.40 is: 16,331,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679,328.20 : 21,975,446.70 = 10,909,523.40 : x
  2. Step 2: Convert to fraction form
    14,679,328.20/21,975,446.70 = 10,909,523.40/x
  3. Step 3: Cross multiply
    14,679,328.20x = 21,975,446.70 × 10,909,523.40
  4. Step 4: Simplify right side
    14,679,328.20x = 239,741,649,999,102.78
  5. Step 5: Solve for x
    x = 239,741,649,999,102.78/14,679,328.20
  6. Step 6: Final answer
    x = 16,331,922.46

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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.