Home / 12,422,312.85-17,143,200.38-6,841,154.46

Finding the Fourth Proportional to 12,422,312.85, 17,143,200.38 and 6,841,154.46

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Solution

The fourth proportional to 12,422,312.85, 17,143,200.38 and 6,841,154.46 is: 9,441,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422,312.85 : 17,143,200.38 = 6,841,154.46 : x
  2. Step 2: Convert to fraction form
    12,422,312.85/17,143,200.38 = 6,841,154.46/x
  3. Step 3: Cross multiply
    12,422,312.85x = 17,143,200.38 × 6,841,154.46
  4. Step 4: Simplify right side
    12,422,312.85x = 117,279,281,704,104.92
  5. Step 5: Solve for x
    x = 117,279,281,704,104.92/12,422,312.85
  6. Step 6: Final answer
    x = 9,441,018.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.