Home / 34,937,992.85-48,218,017.91-21,003,858.97

Finding the Fourth Proportional to 34,937,992.85, 48,218,017.91 and 21,003,858.97

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Solution

The fourth proportional to 34,937,992.85, 48,218,017.91 and 21,003,858.97 is: 28,987,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,937,992.85 : 48,218,017.91 = 21,003,858.97 : x
  2. Step 2: Convert to fraction form
    34,937,992.85/48,218,017.91 = 21,003,858.97/x
  3. Step 3: Cross multiply
    34,937,992.85x = 48,218,017.91 × 21,003,858.97
  4. Step 4: Simplify right side
    34,937,992.85x = 1,012,764,447,769,009.88
  5. Step 5: Solve for x
    x = 1,012,764,447,769,009.88/34,937,992.85
  6. Step 6: Final answer
    x = 28,987,482.26

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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.