Home / 12,896,369.47-17,796,989.28-7,095,026.76

Finding the Fourth Proportional to 12,896,369.47, 17,796,989.28 and 7,095,026.76

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Solution

The fourth proportional to 12,896,369.47, 17,796,989.28 and 7,095,026.76 is: 9,791,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,369.47 : 17,796,989.28 = 7,095,026.76 : x
  2. Step 2: Convert to fraction form
    12,896,369.47/17,796,989.28 = 7,095,026.76/x
  3. Step 3: Cross multiply
    12,896,369.47x = 17,796,989.28 × 7,095,026.76
  4. Step 4: Simplify right side
    12,896,369.47x = 126,270,115,189,033.14
  5. Step 5: Solve for x
    x = 126,270,115,189,033.14/12,896,369.47
  6. Step 6: Final answer
    x = 9,791,136.60

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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.