Home / 18,220,405.40-27,341,105.70-6,869,000.60

Finding the Fourth Proportional to 18,220,405.40, 27,341,105.70 and 6,869,000.60

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Solution

The fourth proportional to 18,220,405.40, 27,341,105.70 and 6,869,000.60 is: 10,307,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,405.40 : 27,341,105.70 = 6,869,000.60 : x
  2. Step 2: Convert to fraction form
    18,220,405.40/27,341,105.70 = 6,869,000.60/x
  3. Step 3: Cross multiply
    18,220,405.40x = 27,341,105.70 × 6,869,000.60
  4. Step 4: Simplify right side
    18,220,405.40x = 187,806,071,457,963.41
  5. Step 5: Solve for x
    x = 187,806,071,457,963.41/18,220,405.40
  6. Step 6: Final answer
    x = 10,307,458.44

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1.5x scale

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.