Home / 39,779,631.23-54,889,867.49-22,380,252.89

Finding the Fourth Proportional to 39,779,631.23, 54,889,867.49 and 22,380,252.89

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Solution

The fourth proportional to 39,779,631.23, 54,889,867.49 and 22,380,252.89 is: 30,881,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779,631.23 : 54,889,867.49 = 22,380,252.89 : x
  2. Step 2: Convert to fraction form
    39,779,631.23/54,889,867.49 = 22,380,252.89/x
  3. Step 3: Cross multiply
    39,779,631.23x = 54,889,867.49 × 22,380,252.89
  4. Step 4: Simplify right side
    39,779,631.23x = 1,228,449,115,138,439
  5. Step 5: Solve for x
    x = 1,228,449,115,138,439/39,779,631.23
  6. Step 6: Final answer
    x = 30,881,360.07

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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.