Home / 38,484,500-53,109,465.36-21,964,294.04

Finding the Fourth Proportional to 38,484,500, 53,109,465.36 and 21,964,294.04

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Solution

The fourth proportional to 38,484,500, 53,109,465.36 and 21,964,294.04 is: 30,311,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484,500 : 53,109,465.36 = 21,964,294.04 : x
  2. Step 2: Convert to fraction form
    38,484,500/53,109,465.36 = 21,964,294.04/x
  3. Step 3: Cross multiply
    38,484,500x = 53,109,465.36 × 21,964,294.04
  4. Step 4: Simplify right side
    38,484,500x = 1,166,511,913,474,234.50
  5. Step 5: Solve for x
    x = 1,166,511,913,474,234.50/38,484,500
  6. Step 6: Final answer
    x = 30,311,213.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.