Home / 28,528,016.85-39,356,115.84-19,232,191.14

Finding the Fourth Proportional to 28,528,016.85, 39,356,115.84 and 19,232,191.14

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Solution

The fourth proportional to 28,528,016.85, 39,356,115.84 and 19,232,191.14 is: 26,531,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528,016.85 : 39,356,115.84 = 19,232,191.14 : x
  2. Step 2: Convert to fraction form
    28,528,016.85/39,356,115.84 = 19,232,191.14/x
  3. Step 3: Cross multiply
    28,528,016.85x = 39,356,115.84 × 19,232,191.14
  4. Step 4: Simplify right side
    28,528,016.85x = 756,904,342,362,861.75
  5. Step 5: Solve for x
    x = 756,904,342,362,861.75/28,528,016.85
  6. Step 6: Final answer
    x = 26,531,964.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.