Home / 11,700,787.60-17,551,181.40-7,874,412.40

Finding the Fourth Proportional to 11,700,787.60, 17,551,181.40 and 7,874,412.40

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Solution

The fourth proportional to 11,700,787.60, 17,551,181.40 and 7,874,412.40 is: 11,811,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,787.60 : 17,551,181.40 = 7,874,412.40 : x
  2. Step 2: Convert to fraction form
    11,700,787.60/17,551,181.40 = 7,874,412.40/x
  3. Step 3: Cross multiply
    11,700,787.60x = 17,551,181.40 × 7,874,412.40
  4. Step 4: Simplify right side
    11,700,787.60x = 138,205,240,450,809.36
  5. Step 5: Solve for x
    x = 138,205,240,450,809.36/11,700,787.60
  6. Step 6: Final answer
    x = 11,811,618.60

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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.