Home / 14,371,986.30-21,557,979.45-13,049,288.70

Finding the Fourth Proportional to 14,371,986.30, 21,557,979.45 and 13,049,288.70

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Solution

The fourth proportional to 14,371,986.30, 21,557,979.45 and 13,049,288.70 is: 19,573,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371,986.30 : 21,557,979.45 = 13,049,288.70 : x
  2. Step 2: Convert to fraction form
    14,371,986.30/21,557,979.45 = 13,049,288.70/x
  3. Step 3: Cross multiply
    14,371,986.30x = 21,557,979.45 × 13,049,288.70
  4. Step 4: Simplify right side
    14,371,986.30x = 281,316,297,631,717.19
  5. Step 5: Solve for x
    x = 281,316,297,631,717.19/14,371,986.30
  6. Step 6: Final answer
    x = 19,573,933.05

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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.