Home / 11,187,563.40-16,781,345.10-9,392,473.80

Finding the Fourth Proportional to 11,187,563.40, 16,781,345.10 and 9,392,473.80

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Solution

The fourth proportional to 11,187,563.40, 16,781,345.10 and 9,392,473.80 is: 14,088,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187,563.40 : 16,781,345.10 = 9,392,473.80 : x
  2. Step 2: Convert to fraction form
    11,187,563.40/16,781,345.10 = 9,392,473.80/x
  3. Step 3: Cross multiply
    11,187,563.40x = 16,781,345.10 × 9,392,473.80
  4. Step 4: Simplify right side
    11,187,563.40x = 157,618,344,180,508.41
  5. Step 5: Solve for x
    x = 157,618,344,180,508.41/11,187,563.40
  6. Step 6: Final answer
    x = 14,088,710.70

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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.