Home / 10,968,513.40-16,457,435.70-5,285,812.60

Finding the Fourth Proportional to 10,968,513.40, 16,457,435.70 and 5,285,812.60

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Solution

The fourth proportional to 10,968,513.40, 16,457,435.70 and 5,285,812.60 is: 7,930,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968,513.40 : 16,457,435.70 = 5,285,812.60 : x
  2. Step 2: Convert to fraction form
    10,968,513.40/16,457,435.70 = 5,285,812.60/x
  3. Step 3: Cross multiply
    10,968,513.40x = 16,457,435.70 × 5,285,812.60
  4. Step 4: Simplify right side
    10,968,513.40x = 86,990,920,986,749.81
  5. Step 5: Solve for x
    x = 86,990,920,986,749.81/10,968,513.40
  6. Step 6: Final answer
    x = 7,930,967.29

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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.