Home / 12,896,370.47-17,796,990.66-7,095,027.76

Finding the Fourth Proportional to 12,896,370.47, 17,796,990.66 and 7,095,027.76

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Solution

The fourth proportional to 12,896,370.47, 17,796,990.66 and 7,095,027.76 is: 9,791,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,370.47 : 17,796,990.66 = 7,095,027.76 : x
  2. Step 2: Convert to fraction form
    12,896,370.47/17,796,990.66 = 7,095,027.76/x
  3. Step 3: Cross multiply
    12,896,370.47x = 17,796,990.66 × 7,095,027.76
  4. Step 4: Simplify right side
    12,896,370.47x = 126,270,142,777,160.72
  5. Step 5: Solve for x
    x = 126,270,142,777,160.72/12,896,370.47
  6. Step 6: Final answer
    x = 9,791,137.98

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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.