Home / 41,902,881.32-62,835,994.92-21,140,542.15

Finding the Fourth Proportional to 41,902,881.32, 62,835,994.92 and 21,140,542.15

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Solution

The fourth proportional to 41,902,881.32, 62,835,994.92 and 21,140,542.15 is: 31,701,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,902,881.32 : 62,835,994.92 = 21,140,542.15 : x
  2. Step 2: Convert to fraction form
    41,902,881.32/62,835,994.92 = 21,140,542.15/x
  3. Step 3: Cross multiply
    41,902,881.32x = 62,835,994.92 × 21,140,542.15
  4. Step 4: Simplify right side
    41,902,881.32x = 1,328,386,999,065,633
  5. Step 5: Solve for x
    x = 1,328,386,999,065,633/41,902,881.32
  6. Step 6: Final answer
    x = 31,701,566.98

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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.