Home / 10,530,708.90-15,764,570.55-9,907,851.30

Finding the Fourth Proportional to 10,530,708.90, 15,764,570.55 and 9,907,851.30

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Solution

The fourth proportional to 10,530,708.90, 15,764,570.55 and 9,907,851.30 is: 14,832,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,708.90 : 15,764,570.55 = 9,907,851.30 : x
  2. Step 2: Convert to fraction form
    10,530,708.90/15,764,570.55 = 9,907,851.30/x
  3. Step 3: Cross multiply
    10,530,708.90x = 15,764,570.55 × 9,907,851.30
  4. Step 4: Simplify right side
    10,530,708.90x = 156,193,020,817,759.22
  5. Step 5: Solve for x
    x = 156,193,020,817,759.22/10,530,708.90
  6. Step 6: Final answer
    x = 14,832,146.85

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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.