Home / 21,418,858.48-29,582,361.20-14,437,495.20

Finding the Fourth Proportional to 21,418,858.48, 29,582,361.20 and 14,437,495.20

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Solution

The fourth proportional to 21,418,858.48, 29,582,361.20 and 14,437,495.20 is: 19,940,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418,858.48 : 29,582,361.20 = 14,437,495.20 : x
  2. Step 2: Convert to fraction form
    21,418,858.48/29,582,361.20 = 14,437,495.20/x
  3. Step 3: Cross multiply
    21,418,858.48x = 29,582,361.20 × 14,437,495.20
  4. Step 4: Simplify right side
    21,418,858.48x = 427,095,197,829,666.19
  5. Step 5: Solve for x
    x = 427,095,197,829,666.19/21,418,858.48
  6. Step 6: Final answer
    x = 19,940,147.52

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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.