Home / 12,756,726.60-19,135,089.90-11,162,403.60

Finding the Fourth Proportional to 12,756,726.60, 19,135,089.90 and 11,162,403.60

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Solution

The fourth proportional to 12,756,726.60, 19,135,089.90 and 11,162,403.60 is: 16,743,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,726.60 : 19,135,089.90 = 11,162,403.60 : x
  2. Step 2: Convert to fraction form
    12,756,726.60/19,135,089.90 = 11,162,403.60/x
  3. Step 3: Cross multiply
    12,756,726.60x = 19,135,089.90 × 11,162,403.60
  4. Step 4: Simplify right side
    12,756,726.60x = 213,593,596,386,083.62
  5. Step 5: Solve for x
    x = 213,593,596,386,083.62/12,756,726.60
  6. Step 6: Final answer
    x = 16,743,605.40

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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.