Home / 21,731,727.90-29,983,244.59-13,026,724.32

Finding the Fourth Proportional to 21,731,727.90, 29,983,244.59 and 13,026,724.32

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Solution

The fourth proportional to 21,731,727.90, 29,983,244.59 and 13,026,724.32 is: 17,972,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731,727.90 : 29,983,244.59 = 13,026,724.32 : x
  2. Step 2: Convert to fraction form
    21,731,727.90/29,983,244.59 = 13,026,724.32/x
  3. Step 3: Cross multiply
    21,731,727.90x = 29,983,244.59 × 13,026,724.32
  4. Step 4: Simplify right side
    21,731,727.90x = 390,583,461,493,061.44
  5. Step 5: Solve for x
    x = 390,583,461,493,061.44/21,731,727.90
  6. Step 6: Final answer
    x = 17,972,959.32

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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.