Home / 20,335,632.64-28,063,059.72-11,043,113.38

Finding the Fourth Proportional to 20,335,632.64, 28,063,059.72 and 11,043,113.38

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Solution

The fourth proportional to 20,335,632.64, 28,063,059.72 and 11,043,113.38 is: 15,239,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335,632.64 : 28,063,059.72 = 11,043,113.38 : x
  2. Step 2: Convert to fraction form
    20,335,632.64/28,063,059.72 = 11,043,113.38/x
  3. Step 3: Cross multiply
    20,335,632.64x = 28,063,059.72 × 11,043,113.38
  4. Step 4: Simplify right side
    20,335,632.64x = 309,903,550,277,671.06
  5. Step 5: Solve for x
    x = 309,903,550,277,671.06/20,335,632.64
  6. Step 6: Final answer
    x = 15,239,434.93

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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.