Home / 30,721,971.30-46,082,956.95-25,795,097.70

Finding the Fourth Proportional to 30,721,971.30, 46,082,956.95 and 25,795,097.70

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Solution

The fourth proportional to 30,721,971.30, 46,082,956.95 and 25,795,097.70 is: 38,692,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721,971.30 : 46,082,956.95 = 25,795,097.70 : x
  2. Step 2: Convert to fraction form
    30,721,971.30/46,082,956.95 = 25,795,097.70/x
  3. Step 3: Cross multiply
    30,721,971.30x = 46,082,956.95 × 25,795,097.70
  4. Step 4: Simplify right side
    30,721,971.30x = 1,188,714,376,830,144
  5. Step 5: Solve for x
    x = 1,188,714,376,830,144/30,721,971.30
  6. Step 6: Final answer
    x = 38,692,646.55

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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.