Home / 8,525,060.40-12,787,590.60-5,340,010.80

Finding the Fourth Proportional to 8,525,060.40, 12,787,590.60 and 5,340,010.80

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Solution

The fourth proportional to 8,525,060.40, 12,787,590.60 and 5,340,010.80 is: 8,010,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525,060.40 : 12,787,590.60 = 5,340,010.80 : x
  2. Step 2: Convert to fraction form
    8,525,060.40/12,787,590.60 = 5,340,010.80/x
  3. Step 3: Cross multiply
    8,525,060.40x = 12,787,590.60 × 5,340,010.80
  4. Step 4: Simplify right side
    8,525,060.40x = 68,285,871,909,978.48
  5. Step 5: Solve for x
    x = 68,285,871,909,978.48/8,525,060.40
  6. Step 6: Final answer
    x = 8,010,016.20

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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.