Home / 19,327,979.53-29,012,976.80-7,821,368.81

Finding the Fourth Proportional to 19,327,979.53, 29,012,976.80 and 7,821,368.81

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Solution

The fourth proportional to 19,327,979.53, 29,012,976.80 and 7,821,368.81 is: 11,740,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327,979.53 : 29,012,976.80 = 7,821,368.81 : x
  2. Step 2: Convert to fraction form
    19,327,979.53/29,012,976.80 = 7,821,368.81/x
  3. Step 3: Cross multiply
    19,327,979.53x = 29,012,976.80 × 7,821,368.81
  4. Step 4: Simplify right side
    19,327,979.53x = 226,921,191,828,773.59
  5. Step 5: Solve for x
    x = 226,921,191,828,773.59/19,327,979.53
  6. Step 6: Final answer
    x = 11,740,554.23

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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.