Home / 25,115,905.20-37,617,870.60-19,405,210.80

Finding the Fourth Proportional to 25,115,905.20, 37,617,870.60 and 19,405,210.80

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Solution

The fourth proportional to 25,115,905.20, 37,617,870.60 and 19,405,210.80 is: 29,064,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115,905.20 : 37,617,870.60 = 19,405,210.80 : x
  2. Step 2: Convert to fraction form
    25,115,905.20/37,617,870.60 = 19,405,210.80/x
  3. Step 3: Cross multiply
    25,115,905.20x = 37,617,870.60 × 19,405,210.80
  4. Step 4: Simplify right side
    25,115,905.20x = 729,982,708,840,122.50
  5. Step 5: Solve for x
    x = 729,982,708,840,122.50/25,115,905.20
  6. Step 6: Final answer
    x = 29,064,559.01

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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.