Home / 13,832,811.60-20,772,545.40-11,555,998.80

Finding the Fourth Proportional to 13,832,811.60, 20,772,545.40 and 11,555,998.80

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Solution

The fourth proportional to 13,832,811.60, 20,772,545.40 and 11,555,998.80 is: 17,353,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,811.60 : 20,772,545.40 = 11,555,998.80 : x
  2. Step 2: Convert to fraction form
    13,832,811.60/20,772,545.40 = 11,555,998.80/x
  3. Step 3: Cross multiply
    13,832,811.60x = 20,772,545.40 × 11,555,998.80
  4. Step 4: Simplify right side
    13,832,811.60x = 240,047,509,715,345.53
  5. Step 5: Solve for x
    x = 240,047,509,715,345.53/13,832,811.60
  6. Step 6: Final answer
    x = 17,353,486.53

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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.