Home / 9,908,476.40-14,844,999.90-8,491,300.40

Finding the Fourth Proportional to 9,908,476.40, 14,844,999.90 and 8,491,300.40

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Solution

The fourth proportional to 9,908,476.40, 14,844,999.90 and 8,491,300.40 is: 12,721,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908,476.40 : 14,844,999.90 = 8,491,300.40 : x
  2. Step 2: Convert to fraction form
    9,908,476.40/14,844,999.90 = 8,491,300.40/x
  3. Step 3: Cross multiply
    9,908,476.40x = 14,844,999.90 × 8,491,300.40
  4. Step 4: Simplify right side
    9,908,476.40x = 126,053,353,588,869.97
  5. Step 5: Solve for x
    x = 126,053,353,588,869.97/9,908,476.40
  6. Step 6: Final answer
    x = 12,721,769.57

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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.