Home / 8,092,947.20-12,139,420.80-5,542,030.40

Finding the Fourth Proportional to 8,092,947.20, 12,139,420.80 and 5,542,030.40

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Solution

The fourth proportional to 8,092,947.20, 12,139,420.80 and 5,542,030.40 is: 8,313,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092,947.20 : 12,139,420.80 = 5,542,030.40 : x
  2. Step 2: Convert to fraction form
    8,092,947.20/12,139,420.80 = 5,542,030.40/x
  3. Step 3: Cross multiply
    8,092,947.20x = 12,139,420.80 × 5,542,030.40
  4. Step 4: Simplify right side
    8,092,947.20x = 67,277,039,111,992.33
  5. Step 5: Solve for x
    x = 67,277,039,111,992.33/8,092,947.20
  6. Step 6: Final answer
    x = 8,313,045.60

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Similar ratio
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1.5x scale

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.