Home / 9,198,900.78-12,602,539.16-8,854,125.72

Finding the Fourth Proportional to 9,198,900.78, 12,602,539.16 and 8,854,125.72

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Solution

The fourth proportional to 9,198,900.78, 12,602,539.16 and 8,854,125.72 is: 12,130,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198,900.78 : 12,602,539.16 = 8,854,125.72 : x
  2. Step 2: Convert to fraction form
    9,198,900.78/12,602,539.16 = 8,854,125.72/x
  3. Step 3: Cross multiply
    9,198,900.78x = 12,602,539.16 × 8,854,125.72
  4. Step 4: Simplify right side
    9,198,900.78x = 111,584,466,069,592.56
  5. Step 5: Solve for x
    x = 111,584,466,069,592.56/9,198,900.78
  6. Step 6: Final answer
    x = 12,130,195.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.