Home / 21,418,848.73-29,582,347.71-14,437,485.46

Finding the Fourth Proportional to 21,418,848.73, 29,582,347.71 and 14,437,485.46

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Solution

The fourth proportional to 21,418,848.73, 29,582,347.71 and 14,437,485.46 is: 19,940,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418,848.73 : 29,582,347.71 = 14,437,485.46 : x
  2. Step 2: Convert to fraction form
    21,418,848.73/29,582,347.71 = 14,437,485.46/x
  3. Step 3: Cross multiply
    21,418,848.73x = 29,582,347.71 × 14,437,485.46
  4. Step 4: Simplify right side
    21,418,848.73x = 427,094,714,935,789.31
  5. Step 5: Solve for x
    x = 427,094,714,935,789.31/21,418,848.73
  6. Step 6: Final answer
    x = 19,940,134.05

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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.