Home / 36,407,670.16-54,615,343.56-12,138,137.50

Finding the Fourth Proportional to 36,407,670.16, 54,615,343.56 and 12,138,137.50

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Solution

The fourth proportional to 36,407,670.16, 54,615,343.56 and 12,138,137.50 is: 18,208,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,407,670.16 : 54,615,343.56 = 12,138,137.50 : x
  2. Step 2: Convert to fraction form
    36,407,670.16/54,615,343.56 = 12,138,137.50/x
  3. Step 3: Cross multiply
    36,407,670.16x = 54,615,343.56 × 12,138,137.50
  4. Step 4: Simplify right side
    36,407,670.16x = 662,928,549,741,019.50
  5. Step 5: Solve for x
    x = 662,928,549,741,019.50/36,407,670.16
  6. Step 6: Final answer
    x = 18,208,485.93

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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.