Home / 31,200,807.76-46,710,144.96-18,207,140.92

Finding the Fourth Proportional to 31,200,807.76, 46,710,144.96 and 18,207,140.92

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Solution

The fourth proportional to 31,200,807.76, 46,710,144.96 and 18,207,140.92 is: 27,257,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200,807.76 : 46,710,144.96 = 18,207,140.92 : x
  2. Step 2: Convert to fraction form
    31,200,807.76/46,710,144.96 = 18,207,140.92/x
  3. Step 3: Cross multiply
    31,200,807.76x = 46,710,144.96 × 18,207,140.92
  4. Step 4: Simplify right side
    31,200,807.76x = 850,458,191,495,295.62
  5. Step 5: Solve for x
    x = 850,458,191,495,295.62/31,200,807.76
  6. Step 6: Final answer
    x = 27,257,569.68

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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.