Home / 8,525,053.40-12,787,580.10-5,340,003.80

Finding the Fourth Proportional to 8,525,053.40, 12,787,580.10 and 5,340,003.80

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Solution

The fourth proportional to 8,525,053.40, 12,787,580.10 and 5,340,003.80 is: 8,010,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525,053.40 : 12,787,580.10 = 5,340,003.80 : x
  2. Step 2: Convert to fraction form
    8,525,053.40/12,787,580.10 = 5,340,003.80/x
  3. Step 3: Cross multiply
    8,525,053.40x = 12,787,580.10 × 5,340,003.80
  4. Step 4: Simplify right side
    8,525,053.40x = 68,285,726,326,804.38
  5. Step 5: Solve for x
    x = 68,285,726,326,804.38/8,525,053.40
  6. Step 6: Final answer
    x = 8,010,005.70

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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.