Home / 8,761,807.60-13,142,711.40-3,081,293.80

Finding the Fourth Proportional to 8,761,807.60, 13,142,711.40 and 3,081,293.80

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Solution

The fourth proportional to 8,761,807.60, 13,142,711.40 and 3,081,293.80 is: 4,621,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,807.60 : 13,142,711.40 = 3,081,293.80 : x
  2. Step 2: Convert to fraction form
    8,761,807.60/13,142,711.40 = 3,081,293.80/x
  3. Step 3: Cross multiply
    8,761,807.60x = 13,142,711.40 × 3,081,293.80
  4. Step 4: Simplify right side
    8,761,807.60x = 40,496,555,152,009.32
  5. Step 5: Solve for x
    x = 40,496,555,152,009.32/8,761,807.60
  6. Step 6: Final answer
    x = 4,621,940.70

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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.