Home / 7,984,388.72-11,006,984.28-5,688,563.60

Finding the Fourth Proportional to 7,984,388.72, 11,006,984.28 and 5,688,563.60

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Solution

The fourth proportional to 7,984,388.72, 11,006,984.28 and 5,688,563.60 is: 7,842,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,388.72 : 11,006,984.28 = 5,688,563.60 : x
  2. Step 2: Convert to fraction form
    7,984,388.72/11,006,984.28 = 5,688,563.60/x
  3. Step 3: Cross multiply
    7,984,388.72x = 11,006,984.28 × 5,688,563.60
  4. Step 4: Simplify right side
    7,984,388.72x = 62,613,930,120,980.20
  5. Step 5: Solve for x
    x = 62,613,930,120,980.20/7,984,388.72
  6. Step 6: Final answer
    x = 7,842,044.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.