Home / 6,986,868.64-10,480,721.47-2,194,557.76

Finding the Fourth Proportional to 6,986,868.64, 10,480,721.47 and 2,194,557.76

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Solution

The fourth proportional to 6,986,868.64, 10,480,721.47 and 2,194,557.76 is: 3,291,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,868.64 : 10,480,721.47 = 2,194,557.76 : x
  2. Step 2: Convert to fraction form
    6,986,868.64/10,480,721.47 = 2,194,557.76/x
  3. Step 3: Cross multiply
    6,986,868.64x = 10,480,721.47 × 2,194,557.76
  4. Step 4: Simplify right side
    6,986,868.64x = 23,000,548,593,391.95
  5. Step 5: Solve for x
    x = 23,000,548,593,391.95/6,986,868.64
  6. Step 6: Final answer
    x = 3,291,968.09

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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.