Home / 31,685,625.60-47,547,100.80-20,934,009.60

Finding the Fourth Proportional to 31,685,625.60, 47,547,100.80 and 20,934,009.60

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Solution

The fourth proportional to 31,685,625.60, 47,547,100.80 and 20,934,009.60 is: 31,413,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685,625.60 : 47,547,100.80 = 20,934,009.60 : x
  2. Step 2: Convert to fraction form
    31,685,625.60/47,547,100.80 = 20,934,009.60/x
  3. Step 3: Cross multiply
    31,685,625.60x = 47,547,100.80 × 20,934,009.60
  4. Step 4: Simplify right side
    31,685,625.60x = 995,351,464,599,367.75
  5. Step 5: Solve for x
    x = 995,351,464,599,367.75/31,685,625.60
  6. Step 6: Final answer
    x = 31,413,344.25

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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.