Home / 10,298,719.80-15,453,609.30-4,315,692.60

Finding the Fourth Proportional to 10,298,719.80, 15,453,609.30 and 4,315,692.60

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Solution

The fourth proportional to 10,298,719.80, 15,453,609.30 and 4,315,692.60 is: 6,475,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298,719.80 : 15,453,609.30 = 4,315,692.60 : x
  2. Step 2: Convert to fraction form
    10,298,719.80/15,453,609.30 = 4,315,692.60/x
  3. Step 3: Cross multiply
    10,298,719.80x = 15,453,609.30 × 4,315,692.60
  4. Step 4: Simplify right side
    10,298,719.80x = 66,693,027,299,301.18
  5. Step 5: Solve for x
    x = 66,693,027,299,301.18/10,298,719.80
  6. Step 6: Final answer
    x = 6,475,856.09

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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.