Home / 13,441,431.48-20,156,588.70-4,216,326.93

Finding the Fourth Proportional to 13,441,431.48, 20,156,588.70 and 4,216,326.93

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Solution

The fourth proportional to 13,441,431.48, 20,156,588.70 and 4,216,326.93 is: 6,322,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441,431.48 : 20,156,588.70 = 4,216,326.93 : x
  2. Step 2: Convert to fraction form
    13,441,431.48/20,156,588.70 = 4,216,326.93/x
  3. Step 3: Cross multiply
    13,441,431.48x = 20,156,588.70 × 4,216,326.93
  4. Step 4: Simplify right side
    13,441,431.48x = 84,986,767,752,743.69
  5. Step 5: Solve for x
    x = 84,986,767,752,743.69/13,441,431.48
  6. Step 6: Final answer
    x = 6,322,746.79

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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.