Home / 13,403,018.40-20,101,206.09-3,818,479.96

Finding the Fourth Proportional to 13,403,018.40, 20,101,206.09 and 3,818,479.96

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Solution

The fourth proportional to 13,403,018.40, 20,101,206.09 and 3,818,479.96 is: 5,726,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403,018.40 : 20,101,206.09 = 3,818,479.96 : x
  2. Step 2: Convert to fraction form
    13,403,018.40/20,101,206.09 = 3,818,479.96/x
  3. Step 3: Cross multiply
    13,403,018.40x = 20,101,206.09 × 3,818,479.96
  4. Step 4: Simplify right side
    13,403,018.40x = 76,756,052,644,461.83
  5. Step 5: Solve for x
    x = 76,756,052,644,461.83/13,403,018.40
  6. Step 6: Final answer
    x = 5,726,773.65

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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.