Home / 15,769,274.39-21,761,558.02-8,799,877.66

Finding the Fourth Proportional to 15,769,274.39, 21,761,558.02 and 8,799,877.66

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Solution

The fourth proportional to 15,769,274.39, 21,761,558.02 and 8,799,877.66 is: 12,143,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,274.39 : 21,761,558.02 = 8,799,877.66 : x
  2. Step 2: Convert to fraction form
    15,769,274.39/21,761,558.02 = 8,799,877.66/x
  3. Step 3: Cross multiply
    15,769,274.39x = 21,761,558.02 × 8,799,877.66
  4. Step 4: Simplify right side
    15,769,274.39x = 191,499,048,266,991.84
  5. Step 5: Solve for x
    x = 191,499,048,266,991.84/15,769,274.39
  6. Step 6: Final answer
    x = 12,143,808.49

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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.