Home / 10,162,543.20-14,004,928.15-9,975,751.53

Finding the Fourth Proportional to 10,162,543.20, 14,004,928.15 and 9,975,751.53

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Solution

The fourth proportional to 10,162,543.20, 14,004,928.15 and 9,975,751.53 is: 13,747,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162,543.20 : 14,004,928.15 = 9,975,751.53 : x
  2. Step 2: Convert to fraction form
    10,162,543.20/14,004,928.15 = 9,975,751.53/x
  3. Step 3: Cross multiply
    10,162,543.20x = 14,004,928.15 × 9,975,751.53
  4. Step 4: Simplify right side
    10,162,543.20x = 139,709,683,419,902.56
  5. Step 5: Solve for x
    x = 139,709,683,419,902.56/10,162,543.20
  6. Step 6: Final answer
    x = 13,747,511.88

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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.