Home / 31,166,208.60-46,749,312.18-8,447,105.40

Finding the Fourth Proportional to 31,166,208.60, 46,749,312.18 and 8,447,105.40

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Solution

The fourth proportional to 31,166,208.60, 46,749,312.18 and 8,447,105.40 is: 12,670,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,166,208.60 : 46,749,312.18 = 8,447,105.40 : x
  2. Step 2: Convert to fraction form
    31,166,208.60/46,749,312.18 = 8,447,105.40/x
  3. Step 3: Cross multiply
    31,166,208.60x = 46,749,312.18 × 8,447,105.40
  4. Step 4: Simplify right side
    31,166,208.60x = 394,896,367,361,963.81
  5. Step 5: Solve for x
    x = 394,896,367,361,963.81/31,166,208.60
  6. Step 6: Final answer
    x = 12,670,657.90

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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.