Home / 39,167,411.06-54,049,952.32-21,763,308.80

Finding the Fourth Proportional to 39,167,411.06, 54,049,952.32 and 21,763,308.80

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Solution

The fourth proportional to 39,167,411.06, 54,049,952.32 and 21,763,308.80 is: 30,032,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167,411.06 : 54,049,952.32 = 21,763,308.80 : x
  2. Step 2: Convert to fraction form
    39,167,411.06/54,049,952.32 = 21,763,308.80/x
  3. Step 3: Cross multiply
    39,167,411.06x = 54,049,952.32 × 21,763,308.80
  4. Step 4: Simplify right side
    39,167,411.06x = 1,176,305,803,047,160.50
  5. Step 5: Solve for x
    x = 1,176,305,803,047,160.50/39,167,411.06
  6. Step 6: Final answer
    x = 30,032,768.86

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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.