Home / 19,928,368.10-29,892,552.15-15,109,969.70

Finding the Fourth Proportional to 19,928,368.10, 29,892,552.15 and 15,109,969.70

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Solution

The fourth proportional to 19,928,368.10, 29,892,552.15 and 15,109,969.70 is: 22,664,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,368.10 : 29,892,552.15 = 15,109,969.70 : x
  2. Step 2: Convert to fraction form
    19,928,368.10/29,892,552.15 = 15,109,969.70/x
  3. Step 3: Cross multiply
    19,928,368.10x = 29,892,552.15 × 15,109,969.70
  4. Step 4: Simplify right side
    19,928,368.10x = 451,675,557,242,169.81
  5. Step 5: Solve for x
    x = 451,675,557,242,169.81/19,928,368.10
  6. Step 6: Final answer
    x = 22,664,954.55

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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.