Home / 15,740,309.06-21,731,655.76-12,846,602.42

Finding the Fourth Proportional to 15,740,309.06, 21,731,655.76 and 12,846,602.42

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Solution

The fourth proportional to 15,740,309.06, 21,731,655.76 and 12,846,602.42 is: 17,736,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740,309.06 : 21,731,655.76 = 12,846,602.42 : x
  2. Step 2: Convert to fraction form
    15,740,309.06/21,731,655.76 = 12,846,602.42/x
  3. Step 3: Cross multiply
    15,740,309.06x = 21,731,655.76 × 12,846,602.42
  4. Step 4: Simplify right side
    15,740,309.06x = 279,177,941,477,022.97
  5. Step 5: Solve for x
    x = 279,177,941,477,022.97/15,740,309.06
  6. Step 6: Final answer
    x = 17,736,496.81

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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.