Home / 19,487,185.04-29,172,539.32-11,787,528.08

Finding the Fourth Proportional to 19,487,185.04, 29,172,539.32 and 11,787,528.08

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Solution

The fourth proportional to 19,487,185.04, 29,172,539.32 and 11,787,528.08 is: 17,646,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487,185.04 : 29,172,539.32 = 11,787,528.08 : x
  2. Step 2: Convert to fraction form
    19,487,185.04/29,172,539.32 = 11,787,528.08/x
  3. Step 3: Cross multiply
    19,487,185.04x = 29,172,539.32 × 11,787,528.08
  4. Step 4: Simplify right side
    19,487,185.04x = 343,872,126,399,404.12
  5. Step 5: Solve for x
    x = 343,872,126,399,404.12/19,487,185.04
  6. Step 6: Final answer
    x = 17,646,064.62

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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.