Home / 21,731,728.41-29,983,245.27-13,026,724.83

Finding the Fourth Proportional to 21,731,728.41, 29,983,245.27 and 13,026,724.83

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Solution

The fourth proportional to 21,731,728.41, 29,983,245.27 and 13,026,724.83 is: 17,972,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731,728.41 : 29,983,245.27 = 13,026,724.83 : x
  2. Step 2: Convert to fraction form
    21,731,728.41/29,983,245.27 = 13,026,724.83/x
  3. Step 3: Cross multiply
    21,731,728.41x = 29,983,245.27 × 13,026,724.83
  4. Step 4: Simplify right side
    21,731,728.41x = 390,583,485,642,689.06
  5. Step 5: Solve for x
    x = 390,583,485,642,689.06/21,731,728.41
  6. Step 6: Final answer
    x = 17,972,960.01

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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.