Home / 10,309,200.30-15,459,863.85-3,118,344.30

Finding the Fourth Proportional to 10,309,200.30, 15,459,863.85 and 3,118,344.30

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Solution

The fourth proportional to 10,309,200.30, 15,459,863.85 and 3,118,344.30 is: 4,676,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,200.30 : 15,459,863.85 = 3,118,344.30 : x
  2. Step 2: Convert to fraction form
    10,309,200.30/15,459,863.85 = 3,118,344.30/x
  3. Step 3: Cross multiply
    10,309,200.30x = 15,459,863.85 × 3,118,344.30
  4. Step 4: Simplify right side
    10,309,200.30x = 48,209,178,315,423.55
  5. Step 5: Solve for x
    x = 48,209,178,315,423.55/10,309,200.30
  6. Step 6: Final answer
    x = 4,676,325.70

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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.