Home / 12,896,368.47-17,796,987.90-7,095,025.76

Finding the Fourth Proportional to 12,896,368.47, 17,796,987.90 and 7,095,025.76

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Solution

The fourth proportional to 12,896,368.47, 17,796,987.90 and 7,095,025.76 is: 9,791,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,368.47 : 17,796,987.90 = 7,095,025.76 : x
  2. Step 2: Convert to fraction form
    12,896,368.47/17,796,987.90 = 7,095,025.76/x
  3. Step 3: Cross multiply
    12,896,368.47x = 17,796,987.90 × 7,095,025.76
  4. Step 4: Simplify right side
    12,896,368.47x = 126,270,087,511,923.36
  5. Step 5: Solve for x
    x = 126,270,087,511,923.36/12,896,368.47
  6. Step 6: Final answer
    x = 9,791,135.22

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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.