Home / 20,032,686.42-27,645,109.11-11,330,671.74

Finding the Fourth Proportional to 20,032,686.42, 27,645,109.11 and 11,330,671.74

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Solution

The fourth proportional to 20,032,686.42, 27,645,109.11 and 11,330,671.74 is: 15,636,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032,686.42 : 27,645,109.11 = 11,330,671.74 : x
  2. Step 2: Convert to fraction form
    20,032,686.42/27,645,109.11 = 11,330,671.74/x
  3. Step 3: Cross multiply
    20,032,686.42x = 27,645,109.11 × 11,330,671.74
  4. Step 4: Simplify right side
    20,032,686.42x = 313,237,656,541,893.56
  5. Step 5: Solve for x
    x = 313,237,656,541,893.56/20,032,686.42
  6. Step 6: Final answer
    x = 15,636,328.05

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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.