Home / 13,766,657.45-18,997,206.95-7,654,954.73

Finding the Fourth Proportional to 13,766,657.45, 18,997,206.95 and 7,654,954.73

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Solution

The fourth proportional to 13,766,657.45, 18,997,206.95 and 7,654,954.73 is: 10,563,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,657.45 : 18,997,206.95 = 7,654,954.73 : x
  2. Step 2: Convert to fraction form
    13,766,657.45/18,997,206.95 = 7,654,954.73/x
  3. Step 3: Cross multiply
    13,766,657.45x = 18,997,206.95 × 7,654,954.73
  4. Step 4: Simplify right side
    13,766,657.45x = 145,422,759,122,842.72
  5. Step 5: Solve for x
    x = 145,422,759,122,842.72/13,766,657.45
  6. Step 6: Final answer
    x = 10,563,403.62

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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.