Home / 6,479,415.70-9,719,123.55-5,219,703.70

Finding the Fourth Proportional to 6,479,415.70, 9,719,123.55 and 5,219,703.70

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Solution

The fourth proportional to 6,479,415.70, 9,719,123.55 and 5,219,703.70 is: 7,829,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479,415.70 : 9,719,123.55 = 5,219,703.70 : x
  2. Step 2: Convert to fraction form
    6,479,415.70/9,719,123.55 = 5,219,703.70/x
  3. Step 3: Cross multiply
    6,479,415.70x = 9,719,123.55 × 5,219,703.70
  4. Step 4: Simplify right side
    6,479,415.70x = 50,730,945,154,692.14
  5. Step 5: Solve for x
    x = 50,730,945,154,692.14/6,479,415.70
  6. Step 6: Final answer
    x = 7,829,555.55

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1.5x scale

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.