Home / 12,785,952.16-19,179,094.47-4,266,288.63

Finding the Fourth Proportional to 12,785,952.16, 19,179,094.47 and 4,266,288.63

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Solution

The fourth proportional to 12,785,952.16, 19,179,094.47 and 4,266,288.63 is: 6,399,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,952.16 : 19,179,094.47 = 4,266,288.63 : x
  2. Step 2: Convert to fraction form
    12,785,952.16/19,179,094.47 = 4,266,288.63/x
  3. Step 3: Cross multiply
    12,785,952.16x = 19,179,094.47 × 4,266,288.63
  4. Step 4: Simplify right side
    12,785,952.16x = 81,823,552,671,056.88
  5. Step 5: Solve for x
    x = 81,823,552,671,056.88/12,785,952.16
  6. Step 6: Final answer
    x = 6,399,488.41

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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.