Home / 10,867,124.80-16,300,687.20-7,087,988.80

Finding the Fourth Proportional to 10,867,124.80, 16,300,687.20 and 7,087,988.80

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Solution

The fourth proportional to 10,867,124.80, 16,300,687.20 and 7,087,988.80 is: 10,631,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,124.80 : 16,300,687.20 = 7,087,988.80 : x
  2. Step 2: Convert to fraction form
    10,867,124.80/16,300,687.20 = 7,087,988.80/x
  3. Step 3: Cross multiply
    10,867,124.80x = 16,300,687.20 × 7,087,988.80
  4. Step 4: Simplify right side
    10,867,124.80x = 115,539,088,305,903.36
  5. Step 5: Solve for x
    x = 115,539,088,305,903.36/10,867,124.80
  6. Step 6: Final answer
    x = 10,631,983.20

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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.