Home / 10,685,763.40-16,039,142.70-5,300,494.60

Finding the Fourth Proportional to 10,685,763.40, 16,039,142.70 and 5,300,494.60

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Solution

The fourth proportional to 10,685,763.40, 16,039,142.70 and 5,300,494.60 is: 7,955,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685,763.40 : 16,039,142.70 = 5,300,494.60 : x
  2. Step 2: Convert to fraction form
    10,685,763.40/16,039,142.70 = 5,300,494.60/x
  3. Step 3: Cross multiply
    10,685,763.40x = 16,039,142.70 × 5,300,494.60
  4. Step 4: Simplify right side
    10,685,763.40x = 85,015,389,269,979.41
  5. Step 5: Solve for x
    x = 85,015,389,269,979.41/10,685,763.40
  6. Step 6: Final answer
    x = 7,955,949.06

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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.