Home / 13,205,770.20-19,808,655.30-9,095,959.80

Finding the Fourth Proportional to 13,205,770.20, 19,808,655.30 and 9,095,959.80

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Solution

The fourth proportional to 13,205,770.20, 19,808,655.30 and 9,095,959.80 is: 13,643,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,770.20 : 19,808,655.30 = 9,095,959.80 : x
  2. Step 2: Convert to fraction form
    13,205,770.20/19,808,655.30 = 9,095,959.80/x
  3. Step 3: Cross multiply
    13,205,770.20x = 19,808,655.30 × 9,095,959.80
  4. Step 4: Simplify right side
    13,205,770.20x = 180,178,732,300,856.97
  5. Step 5: Solve for x
    x = 180,178,732,300,856.97/13,205,770.20
  6. Step 6: Final answer
    x = 13,643,939.70

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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.