Home / 11,356,978.40-17,029,246.80-4,617,778.40

Finding the Fourth Proportional to 11,356,978.40, 17,029,246.80 and 4,617,778.40

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Solution

The fourth proportional to 11,356,978.40, 17,029,246.80 and 4,617,778.40 is: 6,924,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356,978.40 : 17,029,246.80 = 4,617,778.40 : x
  2. Step 2: Convert to fraction form
    11,356,978.40/17,029,246.80 = 4,617,778.40/x
  3. Step 3: Cross multiply
    11,356,978.40x = 17,029,246.80 × 4,617,778.40
  4. Step 4: Simplify right side
    11,356,978.40x = 78,637,288,041,309.12
  5. Step 5: Solve for x
    x = 78,637,288,041,309.12/11,356,978.40
  6. Step 6: Final answer
    x = 6,924,138.21

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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.