Home / 14,457,481.65-19,951,208.28-7,842,053.70

Finding the Fourth Proportional to 14,457,481.65, 19,951,208.28 and 7,842,053.70

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Solution

The fourth proportional to 14,457,481.65, 19,951,208.28 and 7,842,053.70 is: 10,821,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457,481.65 : 19,951,208.28 = 7,842,053.70 : x
  2. Step 2: Convert to fraction form
    14,457,481.65/19,951,208.28 = 7,842,053.70/x
  3. Step 3: Cross multiply
    14,457,481.65x = 19,951,208.28 × 7,842,053.70
  4. Step 4: Simplify right side
    14,457,481.65x = 156,458,446,711,644.66
  5. Step 5: Solve for x
    x = 156,458,446,711,644.66/14,457,481.65
  6. Step 6: Final answer
    x = 10,821,970.97

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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.