Home / 31,022,047.76-42,799,344.70-17,962,178

Finding the Fourth Proportional to 31,022,047.76, 42,799,344.70 and 17,962,178

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Solution

The fourth proportional to 31,022,047.76, 42,799,344.70 and 17,962,178 is: 24,781,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,022,047.76 : 42,799,344.70 = 17,962,178 : x
  2. Step 2: Convert to fraction form
    31,022,047.76/42,799,344.70 = 17,962,178/x
  3. Step 3: Cross multiply
    31,022,047.76x = 42,799,344.70 × 17,962,178
  4. Step 4: Simplify right side
    31,022,047.76x = 768,769,447,784,756.62
  5. Step 5: Solve for x
    x = 768,769,447,784,756.62/31,022,047.76
  6. Step 6: Final answer
    x = 24,781,389.47

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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.