Home / 11,187,529.40-16,781,294.10-9,392,439.80

Finding the Fourth Proportional to 11,187,529.40, 16,781,294.10 and 9,392,439.80

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Solution

The fourth proportional to 11,187,529.40, 16,781,294.10 and 9,392,439.80 is: 14,088,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187,529.40 : 16,781,294.10 = 9,392,439.80 : x
  2. Step 2: Convert to fraction form
    11,187,529.40/16,781,294.10 = 9,392,439.80/x
  3. Step 3: Cross multiply
    11,187,529.40x = 16,781,294.10 × 9,392,439.80
  4. Step 4: Simplify right side
    11,187,529.40x = 157,617,294,600,345.22
  5. Step 5: Solve for x
    x = 157,617,294,600,345.22/11,187,529.40
  6. Step 6: Final answer
    x = 14,088,659.70

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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.