Home / 16,218,640.41-22,381,783.06-8,776,302.47

Finding the Fourth Proportional to 16,218,640.41, 22,381,783.06 and 8,776,302.47

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Solution

The fourth proportional to 16,218,640.41, 22,381,783.06 and 8,776,302.47 is: 12,111,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218,640.41 : 22,381,783.06 = 8,776,302.47 : x
  2. Step 2: Convert to fraction form
    16,218,640.41/22,381,783.06 = 8,776,302.47/x
  3. Step 3: Cross multiply
    16,218,640.41x = 22,381,783.06 × 8,776,302.47
  4. Step 4: Simplify right side
    16,218,640.41x = 196,429,297,818,632.50
  5. Step 5: Solve for x
    x = 196,429,297,818,632.50/16,218,640.41
  6. Step 6: Final answer
    x = 12,111,329.49

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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.