Home / 12,539,559.16-17,287,099.14-8,410,328.20

Finding the Fourth Proportional to 12,539,559.16, 17,287,099.14 and 8,410,328.20

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Solution

The fourth proportional to 12,539,559.16, 17,287,099.14 and 8,410,328.20 is: 11,594,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,559.16 : 17,287,099.14 = 8,410,328.20 : x
  2. Step 2: Convert to fraction form
    12,539,559.16/17,287,099.14 = 8,410,328.20/x
  3. Step 3: Cross multiply
    12,539,559.16x = 17,287,099.14 × 8,410,328.20
  4. Step 4: Simplify right side
    12,539,559.16x = 145,390,177,393,337.75
  5. Step 5: Solve for x
    x = 145,390,177,393,337.75/12,539,559.16
  6. Step 6: Final answer
    x = 11,594,520.63

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1.5x scale

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.