Home / 31,501,086.15-47,157,150.83-18,715,009.35

Finding the Fourth Proportional to 31,501,086.15, 47,157,150.83 and 18,715,009.35

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Solution

The fourth proportional to 31,501,086.15, 47,157,150.83 and 18,715,009.35 is: 28,016,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501,086.15 : 47,157,150.83 = 18,715,009.35 : x
  2. Step 2: Convert to fraction form
    31,501,086.15/47,157,150.83 = 18,715,009.35/x
  3. Step 3: Cross multiply
    31,501,086.15x = 47,157,150.83 × 18,715,009.35
  4. Step 4: Simplify right side
    31,501,086.15x = 882,546,518,609,235.38
  5. Step 5: Solve for x
    x = 882,546,518,609,235.38/31,501,086.15
  6. Step 6: Final answer
    x = 28,016,383.77

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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.