Home / 12,770,947.57-19,162,400.06-5,581,547.29

Finding the Fourth Proportional to 12,770,947.57, 19,162,400.06 and 5,581,547.29

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Solution

The fourth proportional to 12,770,947.57, 19,162,400.06 and 5,581,547.29 is: 8,374,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,947.57 : 19,162,400.06 = 5,581,547.29 : x
  2. Step 2: Convert to fraction form
    12,770,947.57/19,162,400.06 = 5,581,547.29/x
  3. Step 3: Cross multiply
    12,770,947.57x = 19,162,400.06 × 5,581,547.29
  4. Step 4: Simplify right side
    12,770,947.57x = 106,955,842,076,882.83
  5. Step 5: Solve for x
    x = 106,955,842,076,882.83/12,770,947.57
  6. Step 6: Final answer
    x = 8,374,933.93

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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.