Home / 25,115,904.20-37,617,869.10-19,405,209.80

Finding the Fourth Proportional to 25,115,904.20, 37,617,869.10 and 19,405,209.80

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Solution

The fourth proportional to 25,115,904.20, 37,617,869.10 and 19,405,209.80 is: 29,064,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115,904.20 : 37,617,869.10 = 19,405,209.80 : x
  2. Step 2: Convert to fraction form
    25,115,904.20/37,617,869.10 = 19,405,209.80/x
  3. Step 3: Cross multiply
    25,115,904.20x = 37,617,869.10 × 19,405,209.80
  4. Step 4: Simplify right side
    25,115,904.20x = 729,982,642,114,437.25
  5. Step 5: Solve for x
    x = 729,982,642,114,437.25/25,115,904.20
  6. Step 6: Final answer
    x = 29,064,557.51

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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.