Home / 6,912,288.30-10,368,432.45-6,215,558.70

Finding the Fourth Proportional to 6,912,288.30, 10,368,432.45 and 6,215,558.70

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Solution

The fourth proportional to 6,912,288.30, 10,368,432.45 and 6,215,558.70 is: 9,323,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,288.30 : 10,368,432.45 = 6,215,558.70 : x
  2. Step 2: Convert to fraction form
    6,912,288.30/10,368,432.45 = 6,215,558.70/x
  3. Step 3: Cross multiply
    6,912,288.30x = 10,368,432.45 × 6,215,558.70
  4. Step 4: Simplify right side
    6,912,288.30x = 64,445,600,519,959.81
  5. Step 5: Solve for x
    x = 64,445,600,519,959.81/6,912,288.30
  6. Step 6: Final answer
    x = 9,323,338.05

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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.