Home / 12,850,901.12-17,734,139.38-6,970,520.61

Finding the Fourth Proportional to 12,850,901.12, 17,734,139.38 and 6,970,520.61

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Solution

The fourth proportional to 12,850,901.12, 17,734,139.38 and 6,970,520.61 is: 9,619,261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850,901.12 : 17,734,139.38 = 6,970,520.61 : x
  2. Step 2: Convert to fraction form
    12,850,901.12/17,734,139.38 = 6,970,520.61/x
  3. Step 3: Cross multiply
    12,850,901.12x = 17,734,139.38 × 6,970,520.61
  4. Step 4: Simplify right side
    12,850,901.12x = 123,616,184,014,050.03
  5. Step 5: Solve for x
    x = 123,616,184,014,050.03/12,850,901.12
  6. Step 6: Final answer
    x = 9,619,261.94

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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.