Home / 31,202,310.60-46,803,465.90-20,998,643.40

Finding the Fourth Proportional to 31,202,310.60, 46,803,465.90 and 20,998,643.40

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Solution

The fourth proportional to 31,202,310.60, 46,803,465.90 and 20,998,643.40 is: 31,497,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202,310.60 : 46,803,465.90 = 20,998,643.40 : x
  2. Step 2: Convert to fraction form
    31,202,310.60/46,803,465.90 = 20,998,643.40/x
  3. Step 3: Cross multiply
    31,202,310.60x = 46,803,465.90 × 20,998,643.40
  4. Step 4: Simplify right side
    31,202,310.60x = 982,809,290,318,160
  5. Step 5: Solve for x
    x = 982,809,290,318,160/31,202,310.60
  6. Step 6: Final answer
    x = 31,497,965.10

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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.