Home / 21,085,206.58-31,632,682.02-8,955,066.97

Finding the Fourth Proportional to 21,085,206.58, 31,632,682.02 and 8,955,066.97

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Solution

The fourth proportional to 21,085,206.58, 31,632,682.02 and 8,955,066.97 is: 13,434,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085,206.58 : 31,632,682.02 = 8,955,066.97 : x
  2. Step 2: Convert to fraction form
    21,085,206.58/31,632,682.02 = 8,955,066.97/x
  3. Step 3: Cross multiply
    21,085,206.58x = 31,632,682.02 × 8,955,066.97
  4. Step 4: Simplify right side
    21,085,206.58x = 283,272,785,929,814.88
  5. Step 5: Solve for x
    x = 283,272,785,929,814.88/21,085,206.58
  6. Step 6: Final answer
    x = 13,434,669.70

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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.