Home / 12,785,944.61-19,179,083.10-4,266,281.07

Finding the Fourth Proportional to 12,785,944.61, 19,179,083.10 and 4,266,281.07

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Solution

The fourth proportional to 12,785,944.61, 19,179,083.10 and 4,266,281.07 is: 6,399,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,944.61 : 19,179,083.10 = 4,266,281.07 : x
  2. Step 2: Convert to fraction form
    12,785,944.61/19,179,083.10 = 4,266,281.07/x
  3. Step 3: Cross multiply
    12,785,944.61x = 19,179,083.10 × 4,266,281.07
  4. Step 4: Simplify right side
    12,785,944.61x = 81,823,359,169,486.92
  5. Step 5: Solve for x
    x = 81,823,359,169,486.92/12,785,944.61
  6. Step 6: Final answer
    x = 6,399,477.06

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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.