Home / 14,984,331.35-20,678,376.60-8,108,813.61

Finding the Fourth Proportional to 14,984,331.35, 20,678,376.60 and 8,108,813.61

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Solution

The fourth proportional to 14,984,331.35, 20,678,376.60 and 8,108,813.61 is: 11,190,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,331.35 : 20,678,376.60 = 8,108,813.61 : x
  2. Step 2: Convert to fraction form
    14,984,331.35/20,678,376.60 = 8,108,813.61/x
  3. Step 3: Cross multiply
    14,984,331.35x = 20,678,376.60 × 8,108,813.61
  4. Step 4: Simplify right side
    14,984,331.35x = 167,677,101,606,785.53
  5. Step 5: Solve for x
    x = 167,677,101,606,785.53/14,984,331.35
  6. Step 6: Final answer
    x = 11,190,162.43

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1.5x scale

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.