Home / 12,464,348.80-18,696,523.20-9,776,963.20

Finding the Fourth Proportional to 12,464,348.80, 18,696,523.20 and 9,776,963.20

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Solution

The fourth proportional to 12,464,348.80, 18,696,523.20 and 9,776,963.20 is: 14,665,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,348.80 : 18,696,523.20 = 9,776,963.20 : x
  2. Step 2: Convert to fraction form
    12,464,348.80/18,696,523.20 = 9,776,963.20/x
  3. Step 3: Cross multiply
    12,464,348.80x = 18,696,523.20 × 9,776,963.20
  4. Step 4: Simplify right side
    12,464,348.80x = 182,795,219,294,346.22
  5. Step 5: Solve for x
    x = 182,795,219,294,346.22/12,464,348.80
  6. Step 6: Final answer
    x = 14,665,444.80

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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.