Home / 18,468,056.80-27,702,085.20-10,909,784.80

Finding the Fourth Proportional to 18,468,056.80, 27,702,085.20 and 10,909,784.80

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Solution

The fourth proportional to 18,468,056.80, 27,702,085.20 and 10,909,784.80 is: 16,364,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,056.80 : 27,702,085.20 = 10,909,784.80 : x
  2. Step 2: Convert to fraction form
    18,468,056.80/27,702,085.20 = 10,909,784.80/x
  3. Step 3: Cross multiply
    18,468,056.80x = 27,702,085.20 × 10,909,784.80
  4. Step 4: Simplify right side
    18,468,056.80x = 302,223,788,043,265
  5. Step 5: Solve for x
    x = 302,223,788,043,265/18,468,056.80
  6. Step 6: Final answer
    x = 16,364,677.20

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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.