Home / 11,478,363.48-15,840,858-6,321,723.72

Finding the Fourth Proportional to 11,478,363.48, 15,840,858 and 6,321,723.72

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Solution

The fourth proportional to 11,478,363.48, 15,840,858 and 6,321,723.72 is: 8,724,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,363.48 : 15,840,858 = 6,321,723.72 : x
  2. Step 2: Convert to fraction form
    11,478,363.48/15,840,858 = 6,321,723.72/x
  3. Step 3: Cross multiply
    11,478,363.48x = 15,840,858 × 6,321,723.72
  4. Step 4: Simplify right side
    11,478,363.48x = 100,141,527,763,751.75
  5. Step 5: Solve for x
    x = 100,141,527,763,751.75/11,478,363.48
  6. Step 6: Final answer
    x = 8,724,373.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.