Home / 12,769,228.70-17,621,909.51-6,968,384.22

Finding the Fourth Proportional to 12,769,228.70, 17,621,909.51 and 6,968,384.22

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Solution

The fourth proportional to 12,769,228.70, 17,621,909.51 and 6,968,384.22 is: 9,616,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,228.70 : 17,621,909.51 = 6,968,384.22 : x
  2. Step 2: Convert to fraction form
    12,769,228.70/17,621,909.51 = 6,968,384.22/x
  3. Step 3: Cross multiply
    12,769,228.70x = 17,621,909.51 × 6,968,384.22
  4. Step 4: Simplify right side
    12,769,228.70x = 122,796,236,155,751.94
  5. Step 5: Solve for x
    x = 122,796,236,155,751.94/12,769,228.70
  6. Step 6: Final answer
    x = 9,616,574.27

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1.5x scale

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.