Home / 12,785,945.48-19,179,084.42-4,266,281.95

Finding the Fourth Proportional to 12,785,945.48, 19,179,084.42 and 4,266,281.95

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Solution

The fourth proportional to 12,785,945.48, 19,179,084.42 and 4,266,281.95 is: 6,399,478.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,945.48 : 19,179,084.42 = 4,266,281.95 : x
  2. Step 2: Convert to fraction form
    12,785,945.48/19,179,084.42 = 4,266,281.95/x
  3. Step 3: Cross multiply
    12,785,945.48x = 19,179,084.42 × 4,266,281.95
  4. Step 4: Simplify right side
    12,785,945.48x = 81,823,381,678,572.23
  5. Step 5: Solve for x
    x = 81,823,381,678,572.23/12,785,945.48
  6. Step 6: Final answer
    x = 6,399,478.38

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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.