Home / 38,211,972.35-52,731,999.95-21,691,952.69

Finding the Fourth Proportional to 38,211,972.35, 52,731,999.95 and 21,691,952.69

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Solution

The fourth proportional to 38,211,972.35, 52,731,999.95 and 21,691,952.69 is: 29,934,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211,972.35 : 52,731,999.95 = 21,691,952.69 : x
  2. Step 2: Convert to fraction form
    38,211,972.35/52,731,999.95 = 21,691,952.69/x
  3. Step 3: Cross multiply
    38,211,972.35x = 52,731,999.95 × 21,691,952.69
  4. Step 4: Simplify right side
    38,211,972.35x = 1,143,860,047,792,362.50
  5. Step 5: Solve for x
    x = 1,143,860,047,792,362.50/38,211,972.35
  6. Step 6: Final answer
    x = 29,934,598.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.