Home / 21,577,383.81-32,314,370.99-15,725,886.30

Finding the Fourth Proportional to 21,577,383.81, 32,314,370.99 and 15,725,886.30

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Solution

The fourth proportional to 21,577,383.81, 32,314,370.99 and 15,725,886.30 is: 23,551,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577,383.81 : 32,314,370.99 = 15,725,886.30 : x
  2. Step 2: Convert to fraction form
    21,577,383.81/32,314,370.99 = 15,725,886.30/x
  3. Step 3: Cross multiply
    21,577,383.81x = 32,314,370.99 × 15,725,886.30
  4. Step 4: Simplify right side
    21,577,383.81x = 508,172,123,966,129
  5. Step 5: Solve for x
    x = 508,172,123,966,129/21,577,383.81
  6. Step 6: Final answer
    x = 23,551,146.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.