Home / 25,185,703.20-37,715,569.20-20,146,855.20

Finding the Fourth Proportional to 25,185,703.20, 37,715,569.20 and 20,146,855.20

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Solution

The fourth proportional to 25,185,703.20, 37,715,569.20 and 20,146,855.20 is: 30,169,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185,703.20 : 37,715,569.20 = 20,146,855.20 : x
  2. Step 2: Convert to fraction form
    25,185,703.20/37,715,569.20 = 20,146,855.20/x
  3. Step 3: Cross multiply
    25,185,703.20x = 37,715,569.20 × 20,146,855.20
  4. Step 4: Simplify right side
    25,185,703.20x = 759,850,111,457,979.88
  5. Step 5: Solve for x
    x = 759,850,111,457,979.88/25,185,703.20
  6. Step 6: Final answer
    x = 30,169,898.59

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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.