Home / 12,769,714.08-19,137,936.96-5,187,816

Finding the Fourth Proportional to 12,769,714.08, 19,137,936.96 and 5,187,816

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Solution

The fourth proportional to 12,769,714.08, 19,137,936.96 and 5,187,816 is: 7,774,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,714.08 : 19,137,936.96 = 5,187,816 : x
  2. Step 2: Convert to fraction form
    12,769,714.08/19,137,936.96 = 5,187,816/x
  3. Step 3: Cross multiply
    12,769,714.08x = 19,137,936.96 × 5,187,816
  4. Step 4: Simplify right side
    12,769,714.08x = 99,284,095,568,079.36
  5. Step 5: Solve for x
    x = 99,284,095,568,079.36/12,769,714.08
  6. Step 6: Final answer
    x = 7,774,966.22

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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.