Home / 20,737,854.32-31,112,643.72-7,093,955.12

Finding the Fourth Proportional to 20,737,854.32, 31,112,643.72 and 7,093,955.12

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Solution

The fourth proportional to 20,737,854.32, 31,112,643.72 and 7,093,955.12 is: 10,642,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,854.32 : 31,112,643.72 = 7,093,955.12 : x
  2. Step 2: Convert to fraction form
    20,737,854.32/31,112,643.72 = 7,093,955.12/x
  3. Step 3: Cross multiply
    20,737,854.32x = 31,112,643.72 × 7,093,955.12
  4. Step 4: Simplify right side
    20,737,854.32x = 220,711,698,214,229.84
  5. Step 5: Solve for x
    x = 220,711,698,214,229.84/20,737,854.32
  6. Step 6: Final answer
    x = 10,642,938.02

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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.