Home / 10,189,038.70-15,283,558.05-6,787,816.30

Finding the Fourth Proportional to 10,189,038.70, 15,283,558.05 and 6,787,816.30

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Solution

The fourth proportional to 10,189,038.70, 15,283,558.05 and 6,787,816.30 is: 10,181,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189,038.70 : 15,283,558.05 = 6,787,816.30 : x
  2. Step 2: Convert to fraction form
    10,189,038.70/15,283,558.05 = 6,787,816.30/x
  3. Step 3: Cross multiply
    10,189,038.70x = 15,283,558.05 × 6,787,816.30
  4. Step 4: Simplify right side
    10,189,038.70x = 103,741,984,453,786.22
  5. Step 5: Solve for x
    x = 103,741,984,453,786.22/10,189,038.70
  6. Step 6: Final answer
    x = 10,181,724.45

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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.