Home / 14,122,687.15-19,489,955.55-7,843,243.19

Finding the Fourth Proportional to 14,122,687.15, 19,489,955.55 and 7,843,243.19

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Solution

The fourth proportional to 14,122,687.15, 19,489,955.55 and 7,843,243.19 is: 10,824,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122,687.15 : 19,489,955.55 = 7,843,243.19 : x
  2. Step 2: Convert to fraction form
    14,122,687.15/19,489,955.55 = 7,843,243.19/x
  3. Step 3: Cross multiply
    14,122,687.15x = 19,489,955.55 × 7,843,243.19
  4. Step 4: Simplify right side
    14,122,687.15x = 152,864,461,140,940.22
  5. Step 5: Solve for x
    x = 152,864,461,140,940.22/14,122,687.15
  6. Step 6: Final answer
    x = 10,824,035.08

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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.