Home / 21,660,783.09-32,490,924.35-5,266,160.39

Finding the Fourth Proportional to 21,660,783.09, 32,490,924.35 and 5,266,160.39

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Solution

The fourth proportional to 21,660,783.09, 32,490,924.35 and 5,266,160.39 is: 7,899,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660,783.09 : 32,490,924.35 = 5,266,160.39 : x
  2. Step 2: Convert to fraction form
    21,660,783.09/32,490,924.35 = 5,266,160.39/x
  3. Step 3: Cross multiply
    21,660,783.09x = 32,490,924.35 × 5,266,160.39
  4. Step 4: Simplify right side
    21,660,783.09x = 171,102,418,657,671.06
  5. Step 5: Solve for x
    x = 171,102,418,657,671.06/21,660,783.09
  6. Step 6: Final answer
    x = 7,899,179.73

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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.