Home / 19,928,927.10-29,893,390.65-18,228,315.90

Finding the Fourth Proportional to 19,928,927.10, 29,893,390.65 and 18,228,315.90

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Solution

The fourth proportional to 19,928,927.10, 29,893,390.65 and 18,228,315.90 is: 27,342,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,927.10 : 29,893,390.65 = 18,228,315.90 : x
  2. Step 2: Convert to fraction form
    19,928,927.10/29,893,390.65 = 18,228,315.90/x
  3. Step 3: Cross multiply
    19,928,927.10x = 29,893,390.65 × 18,228,315.90
  4. Step 4: Simplify right side
    19,928,927.10x = 544,906,168,090,306.25
  5. Step 5: Solve for x
    x = 544,906,168,090,306.25/19,928,927.10
  6. Step 6: Final answer
    x = 27,342,473.85

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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.