Home / 13,005,842.10-19,487,767.95-8,204,939.70

Finding the Fourth Proportional to 13,005,842.10, 19,487,767.95 and 8,204,939.70

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Solution

The fourth proportional to 13,005,842.10, 19,487,767.95 and 8,204,939.70 is: 12,294,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,842.10 : 19,487,767.95 = 8,204,939.70 : x
  2. Step 2: Convert to fraction form
    13,005,842.10/19,487,767.95 = 8,204,939.70/x
  3. Step 3: Cross multiply
    13,005,842.10x = 19,487,767.95 × 8,204,939.70
  4. Step 4: Simplify right side
    13,005,842.10x = 159,895,960,917,342.62
  5. Step 5: Solve for x
    x = 159,895,960,917,342.62/13,005,842.10
  6. Step 6: Final answer
    x = 12,294,164.40

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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.