Home / 14,412,883.12-19,890,224.88-7,886,787.64

Finding the Fourth Proportional to 14,412,883.12, 19,890,224.88 and 7,886,787.64

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Solution

The fourth proportional to 14,412,883.12, 19,890,224.88 and 7,886,787.64 is: 10,884,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412,883.12 : 19,890,224.88 = 7,886,787.64 : x
  2. Step 2: Convert to fraction form
    14,412,883.12/19,890,224.88 = 7,886,787.64/x
  3. Step 3: Cross multiply
    14,412,883.12x = 19,890,224.88 × 7,886,787.64
  4. Step 4: Simplify right side
    14,412,883.12x = 156,869,979,740,404.47
  5. Step 5: Solve for x
    x = 156,869,979,740,404.47/14,412,883.12
  6. Step 6: Final answer
    x = 10,884,011.09

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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.