Home / 12,308,798.70-18,446,694.30-9,579,641.54

Finding the Fourth Proportional to 12,308,798.70, 18,446,694.30 and 9,579,641.54

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Solution

The fourth proportional to 12,308,798.70, 18,446,694.30 and 9,579,641.54 is: 14,356,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,798.70 : 18,446,694.30 = 9,579,641.54 : x
  2. Step 2: Convert to fraction form
    12,308,798.70/18,446,694.30 = 9,579,641.54/x
  3. Step 3: Cross multiply
    12,308,798.70x = 18,446,694.30 × 9,579,641.54
  4. Step 4: Simplify right side
    12,308,798.70x = 176,712,718,899,727.75
  5. Step 5: Solve for x
    x = 176,712,718,899,727.75/12,308,798.70
  6. Step 6: Final answer
    x = 14,356,617.83

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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.