Home / 11,398,969.61-15,730,460.07-6,171,887.87

Finding the Fourth Proportional to 11,398,969.61, 15,730,460.07 and 6,171,887.87

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Solution

The fourth proportional to 11,398,969.61, 15,730,460.07 and 6,171,887.87 is: 8,517,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398,969.61 : 15,730,460.07 = 6,171,887.87 : x
  2. Step 2: Convert to fraction form
    11,398,969.61/15,730,460.07 = 6,171,887.87/x
  3. Step 3: Cross multiply
    11,398,969.61x = 15,730,460.07 × 6,171,887.87
  4. Step 4: Simplify right side
    11,398,969.61x = 97,086,635,695,552.36
  5. Step 5: Solve for x
    x = 97,086,635,695,552.36/11,398,969.61
  6. Step 6: Final answer
    x = 8,517,141.37

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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.