Home / 31,390,120.19-47,087,012.73-9,531,212.52

Finding the Fourth Proportional to 31,390,120.19, 47,087,012.73 and 9,531,212.52

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Solution

The fourth proportional to 31,390,120.19, 47,087,012.73 and 9,531,212.52 is: 14,297,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390,120.19 : 47,087,012.73 = 9,531,212.52 : x
  2. Step 2: Convert to fraction form
    31,390,120.19/47,087,012.73 = 9,531,212.52/x
  3. Step 3: Cross multiply
    31,390,120.19x = 47,087,012.73 × 9,531,212.52
  4. Step 4: Simplify right side
    31,390,120.19x = 448,796,325,261,575.31
  5. Step 5: Solve for x
    x = 448,796,325,261,575.31/31,390,120.19
  6. Step 6: Final answer
    x = 14,297,375.18

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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.