Home / 31,146,658.20-46,729,968.30-21,808,539.18

Finding the Fourth Proportional to 31,146,658.20, 46,729,968.30 and 21,808,539.18

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Solution

The fourth proportional to 31,146,658.20, 46,729,968.30 and 21,808,539.18 is: 32,719,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146,658.20 : 46,729,968.30 = 21,808,539.18 : x
  2. Step 2: Convert to fraction form
    31,146,658.20/46,729,968.30 = 21,808,539.18/x
  3. Step 3: Cross multiply
    31,146,658.20x = 46,729,968.30 × 21,808,539.18
  4. Step 4: Simplify right side
    31,146,658.20x = 1,019,112,344,550,707.88
  5. Step 5: Solve for x
    x = 1,019,112,344,550,707.88/31,146,658.20
  6. Step 6: Final answer
    x = 32,719,797.35

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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.