Home / 9,421,806.20-14,132,709.30-7,880,627.30

Finding the Fourth Proportional to 9,421,806.20, 14,132,709.30 and 7,880,627.30

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Solution

The fourth proportional to 9,421,806.20, 14,132,709.30 and 7,880,627.30 is: 11,820,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421,806.20 : 14,132,709.30 = 7,880,627.30 : x
  2. Step 2: Convert to fraction form
    9,421,806.20/14,132,709.30 = 7,880,627.30/x
  3. Step 3: Cross multiply
    9,421,806.20x = 14,132,709.30 × 7,880,627.30
  4. Step 4: Simplify right side
    9,421,806.20x = 111,374,614,732,543.89
  5. Step 5: Solve for x
    x = 111,374,614,732,543.89/9,421,806.20
  6. Step 6: Final answer
    x = 11,820,940.95

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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.