Home / 22,209,556.69-30,656,893.40-15,263,228.69

Finding the Fourth Proportional to 22,209,556.69, 30,656,893.40 and 15,263,228.69

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Solution

The fourth proportional to 22,209,556.69, 30,656,893.40 and 15,263,228.69 is: 21,068,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209,556.69 : 30,656,893.40 = 15,263,228.69 : x
  2. Step 2: Convert to fraction form
    22,209,556.69/30,656,893.40 = 15,263,228.69/x
  3. Step 3: Cross multiply
    22,209,556.69x = 30,656,893.40 × 15,263,228.69
  4. Step 4: Simplify right side
    22,209,556.69x = 467,923,174,812,835.50
  5. Step 5: Solve for x
    x = 467,923,174,812,835.50/22,209,556.69
  6. Step 6: Final answer
    x = 21,068,550.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.