Home / 31,796,716.80-47,710,821.60-18,160,334.40

Finding the Fourth Proportional to 31,796,716.80, 47,710,821.60 and 18,160,334.40

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Solution

The fourth proportional to 31,796,716.80, 47,710,821.60 and 18,160,334.40 is: 27,249,494.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796,716.80 : 47,710,821.60 = 18,160,334.40 : x
  2. Step 2: Convert to fraction form
    31,796,716.80/47,710,821.60 = 18,160,334.40/x
  3. Step 3: Cross multiply
    31,796,716.80x = 47,710,821.60 × 18,160,334.40
  4. Step 4: Simplify right side
    31,796,716.80x = 866,444,474,754,743
  5. Step 5: Solve for x
    x = 866,444,474,754,743/31,796,716.80
  6. Step 6: Final answer
    x = 27,249,494.98

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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.