Home / 7,721,016.70-10,654,970.57-4,283,257.73

Finding the Fourth Proportional to 7,721,016.70, 10,654,970.57 and 4,283,257.73

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Solution

The fourth proportional to 7,721,016.70, 10,654,970.57 and 4,283,257.73 is: 5,910,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,016.70 : 10,654,970.57 = 4,283,257.73 : x
  2. Step 2: Convert to fraction form
    7,721,016.70/10,654,970.57 = 4,283,257.73/x
  3. Step 3: Cross multiply
    7,721,016.70x = 10,654,970.57 × 4,283,257.73
  4. Step 4: Simplify right side
    7,721,016.70x = 45,637,985,056,875.02
  5. Step 5: Solve for x
    x = 45,637,985,056,875.02/7,721,016.70
  6. Step 6: Final answer
    x = 5,910,877.65

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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.