Home / 14,125,742.70-21,188,808.45-4,028,364.78

Finding the Fourth Proportional to 14,125,742.70, 21,188,808.45 and 4,028,364.78

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Solution

The fourth proportional to 14,125,742.70, 21,188,808.45 and 4,028,364.78 is: 6,042,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125,742.70 : 21,188,808.45 = 4,028,364.78 : x
  2. Step 2: Convert to fraction form
    14,125,742.70/21,188,808.45 = 4,028,364.78/x
  3. Step 3: Cross multiply
    14,125,742.70x = 21,188,808.45 × 4,028,364.78
  4. Step 4: Simplify right side
    14,125,742.70x = 85,356,249,690,146.39
  5. Step 5: Solve for x
    x = 85,356,249,690,146.39/14,125,742.70
  6. Step 6: Final answer
    x = 6,042,602.61

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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.