Home / 19,111,945.60-28,676,212.80-9,656,329.60

Finding the Fourth Proportional to 19,111,945.60, 28,676,212.80 and 9,656,329.60

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Solution

The fourth proportional to 19,111,945.60, 28,676,212.80 and 9,656,329.60 is: 14,488,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111,945.60 : 28,676,212.80 = 9,656,329.60 : x
  2. Step 2: Convert to fraction form
    19,111,945.60/28,676,212.80 = 9,656,329.60/x
  3. Step 3: Cross multiply
    19,111,945.60x = 28,676,212.80 × 9,656,329.60
  4. Step 4: Simplify right side
    19,111,945.60x = 276,906,962,476,538.88
  5. Step 5: Solve for x
    x = 276,906,962,476,538.88/19,111,945.60
  6. Step 6: Final answer
    x = 14,488,685.15

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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.