Home / 31,549,231.20-47,291,187.60-17,141,858.40

Finding the Fourth Proportional to 31,549,231.20, 47,291,187.60 and 17,141,858.40

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Solution

The fourth proportional to 31,549,231.20, 47,291,187.60 and 17,141,858.40 is: 25,695,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549,231.20 : 47,291,187.60 = 17,141,858.40 : x
  2. Step 2: Convert to fraction form
    31,549,231.20/47,291,187.60 = 17,141,858.40/x
  3. Step 3: Cross multiply
    31,549,231.20x = 47,291,187.60 × 17,141,858.40
  4. Step 4: Simplify right side
    31,549,231.20x = 810,658,841,407,035.75
  5. Step 5: Solve for x
    x = 810,658,841,407,035.75/31,549,231.20
  6. Step 6: Final answer
    x = 25,695,042.65

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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.