Home / 11,117,983.31-15,341,979.20-6,766,588.68

Finding the Fourth Proportional to 11,117,983.31, 15,341,979.20 and 6,766,588.68

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Solution

The fourth proportional to 11,117,983.31, 15,341,979.20 and 6,766,588.68 is: 9,337,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117,983.31 : 15,341,979.20 = 6,766,588.68 : x
  2. Step 2: Convert to fraction form
    11,117,983.31/15,341,979.20 = 6,766,588.68/x
  3. Step 3: Cross multiply
    11,117,983.31x = 15,341,979.20 × 6,766,588.68
  4. Step 4: Simplify right side
    11,117,983.31x = 103,812,862,783,515.45
  5. Step 5: Solve for x
    x = 103,812,862,783,515.45/11,117,983.31
  6. Step 6: Final answer
    x = 9,337,382.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.