Home / 20,927,662.65-31,392,084.46-5,781,594.15

Finding the Fourth Proportional to 20,927,662.65, 31,392,084.46 and 5,781,594.15

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Solution

The fourth proportional to 20,927,662.65, 31,392,084.46 and 5,781,594.15 is: 8,672,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927,662.65 : 31,392,084.46 = 5,781,594.15 : x
  2. Step 2: Convert to fraction form
    20,927,662.65/31,392,084.46 = 5,781,594.15/x
  3. Step 3: Cross multiply
    20,927,662.65x = 31,392,084.46 × 5,781,594.15
  4. Step 4: Simplify right side
    20,927,662.65x = 181,496,291,855,787.94
  5. Step 5: Solve for x
    x = 181,496,291,855,787.94/20,927,662.65
  6. Step 6: Final answer
    x = 8,672,554.36

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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.