Home / 10,986,719.10-16,446,901.05-9,659,615.10

Finding the Fourth Proportional to 10,986,719.10, 16,446,901.05 and 9,659,615.10

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Solution

The fourth proportional to 10,986,719.10, 16,446,901.05 and 9,659,615.10 is: 14,460,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986,719.10 : 16,446,901.05 = 9,659,615.10 : x
  2. Step 2: Convert to fraction form
    10,986,719.10/16,446,901.05 = 9,659,615.10/x
  3. Step 3: Cross multiply
    10,986,719.10x = 16,446,901.05 × 9,659,615.10
  4. Step 4: Simplify right side
    10,986,719.10x = 158,870,733,730,785.84
  5. Step 5: Solve for x
    x = 158,870,733,730,785.84/10,986,719.10
  6. Step 6: Final answer
    x = 14,460,252.63

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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.