Home / 19,133,382.72-28,699,952.48-7,003,691.04

Finding the Fourth Proportional to 19,133,382.72, 28,699,952.48 and 7,003,691.04

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Solution

The fourth proportional to 19,133,382.72, 28,699,952.48 and 7,003,691.04 is: 10,505,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,382.72 : 28,699,952.48 = 7,003,691.04 : x
  2. Step 2: Convert to fraction form
    19,133,382.72/28,699,952.48 = 7,003,691.04/x
  3. Step 3: Cross multiply
    19,133,382.72x = 28,699,952.48 × 7,003,691.04
  4. Step 4: Simplify right side
    19,133,382.72x = 201,005,600,032,601.78
  5. Step 5: Solve for x
    x = 201,005,600,032,601.78/19,133,382.72
  6. Step 6: Final answer
    x = 10,505,492.05

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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.