Home / 31,006,980.70-46,510,471.05-21,759,907.30

Finding the Fourth Proportional to 31,006,980.70, 46,510,471.05 and 21,759,907.30

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Solution

The fourth proportional to 31,006,980.70, 46,510,471.05 and 21,759,907.30 is: 32,639,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006,980.70 : 46,510,471.05 = 21,759,907.30 : x
  2. Step 2: Convert to fraction form
    31,006,980.70/46,510,471.05 = 21,759,907.30/x
  3. Step 3: Cross multiply
    31,006,980.70x = 46,510,471.05 × 21,759,907.30
  4. Step 4: Simplify right side
    31,006,980.70x = 1,012,063,538,527,333.62
  5. Step 5: Solve for x
    x = 1,012,063,538,527,333.62/31,006,980.70
  6. Step 6: Final answer
    x = 32,639,860.95

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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.