Home / 13,769,953.86-20,636,034.92-8,712,210.18

Finding the Fourth Proportional to 13,769,953.86, 20,636,034.92 and 8,712,210.18

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Solution

The fourth proportional to 13,769,953.86, 20,636,034.92 and 8,712,210.18 is: 13,056,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769,953.86 : 20,636,034.92 = 8,712,210.18 : x
  2. Step 2: Convert to fraction form
    13,769,953.86/20,636,034.92 = 8,712,210.18/x
  3. Step 3: Cross multiply
    13,769,953.86x = 20,636,034.92 × 8,712,210.18
  4. Step 4: Simplify right side
    13,769,953.86x = 179,785,473,504,859.50
  5. Step 5: Solve for x
    x = 179,785,473,504,859.50/13,769,953.86
  6. Step 6: Final answer
    x = 13,056,359.91

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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.