Home / 31,501,973.76-47,255,626.08-8,782,890.72

Finding the Fourth Proportional to 31,501,973.76, 47,255,626.08 and 8,782,890.72

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Solution

The fourth proportional to 31,501,973.76, 47,255,626.08 and 8,782,890.72 is: 13,175,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501,973.76 : 47,255,626.08 = 8,782,890.72 : x
  2. Step 2: Convert to fraction form
    31,501,973.76/47,255,626.08 = 8,782,890.72/x
  3. Step 3: Cross multiply
    31,501,973.76x = 47,255,626.08 × 8,782,890.72
  4. Step 4: Simplify right side
    31,501,973.76x = 415,040,999,765,822
  5. Step 5: Solve for x
    x = 415,040,999,765,822/31,501,973.76
  6. Step 6: Final answer
    x = 13,175,079.22

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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.