Home / 10,012,115.70-15,018,173.55-4,328,378.10

Finding the Fourth Proportional to 10,012,115.70, 15,018,173.55 and 4,328,378.10

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Solution

The fourth proportional to 10,012,115.70, 15,018,173.55 and 4,328,378.10 is: 6,492,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,115.70 : 15,018,173.55 = 4,328,378.10 : x
  2. Step 2: Convert to fraction form
    10,012,115.70/15,018,173.55 = 4,328,378.10/x
  3. Step 3: Cross multiply
    10,012,115.70x = 15,018,173.55 × 4,328,378.10
  4. Step 4: Simplify right side
    10,012,115.70x = 65,004,333,495,819.25
  5. Step 5: Solve for x
    x = 65,004,333,495,819.25/10,012,115.70
  6. Step 6: Final answer
    x = 6,492,567.15

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Double scale
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Similar ratio
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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.