Home / 15,279,944-21,089,318.10-8,757,944.87

Finding the Fourth Proportional to 15,279,944, 21,089,318.10 and 8,757,944.87

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Solution

The fourth proportional to 15,279,944, 21,089,318.10 and 8,757,944.87 is: 12,087,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279,944 : 21,089,318.10 = 8,757,944.87 : x
  2. Step 2: Convert to fraction form
    15,279,944/21,089,318.10 = 8,757,944.87/x
  3. Step 3: Cross multiply
    15,279,944x = 21,089,318.10 × 8,757,944.87
  4. Step 4: Simplify right side
    15,279,944x = 184,699,085,265,693.16
  5. Step 5: Solve for x
    x = 184,699,085,265,693.16/15,279,944
  6. Step 6: Final answer
    x = 12,087,680.77

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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.