Home / 13,331,396.10-19,997,094.15-12,281,636.10

Finding the Fourth Proportional to 13,331,396.10, 19,997,094.15 and 12,281,636.10

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Solution

The fourth proportional to 13,331,396.10, 19,997,094.15 and 12,281,636.10 is: 18,422,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,396.10 : 19,997,094.15 = 12,281,636.10 : x
  2. Step 2: Convert to fraction form
    13,331,396.10/19,997,094.15 = 12,281,636.10/x
  3. Step 3: Cross multiply
    13,331,396.10x = 19,997,094.15 × 12,281,636.10
  4. Step 4: Simplify right side
    13,331,396.10x = 245,597,033,407,738.78
  5. Step 5: Solve for x
    x = 245,597,033,407,738.78/13,331,396.10
  6. Step 6: Final answer
    x = 18,422,454.15

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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.