Home / 10,867,129.40-16,300,694.10-10,045,983.80

Finding the Fourth Proportional to 10,867,129.40, 16,300,694.10 and 10,045,983.80

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Solution

The fourth proportional to 10,867,129.40, 16,300,694.10 and 10,045,983.80 is: 15,068,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,129.40 : 16,300,694.10 = 10,045,983.80 : x
  2. Step 2: Convert to fraction form
    10,867,129.40/16,300,694.10 = 10,045,983.80/x
  3. Step 3: Cross multiply
    10,867,129.40x = 16,300,694.10 × 10,045,983.80
  4. Step 4: Simplify right side
    10,867,129.40x = 163,756,508,857,355.59
  5. Step 5: Solve for x
    x = 163,756,508,857,355.59/10,867,129.40
  6. Step 6: Final answer
    x = 15,068,975.70

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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.