Home / 12,785,973.16-19,179,126-4,266,309.64

Finding the Fourth Proportional to 12,785,973.16, 19,179,126 and 4,266,309.64

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Solution

The fourth proportional to 12,785,973.16, 19,179,126 and 4,266,309.64 is: 6,399,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,973.16 : 19,179,126 = 4,266,309.64 : x
  2. Step 2: Convert to fraction form
    12,785,973.16/19,179,126 = 4,266,309.64/x
  3. Step 3: Cross multiply
    12,785,973.16x = 19,179,126 × 4,266,309.64
  4. Step 4: Simplify right side
    12,785,973.16x = 81,824,090,140,574.64
  5. Step 5: Solve for x
    x = 81,824,090,140,574.64/12,785,973.16
  6. Step 6: Final answer
    x = 6,399,519.94

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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.