Home / 7,380,571.04-11,070,109.02-1,989,766.40

Finding the Fourth Proportional to 7,380,571.04, 11,070,109.02 and 1,989,766.40

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Solution

The fourth proportional to 7,380,571.04, 11,070,109.02 and 1,989,766.40 is: 2,984,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,571.04 : 11,070,109.02 = 1,989,766.40 : x
  2. Step 2: Convert to fraction form
    7,380,571.04/11,070,109.02 = 1,989,766.40/x
  3. Step 3: Cross multiply
    7,380,571.04x = 11,070,109.02 × 1,989,766.40
  4. Step 4: Simplify right side
    7,380,571.04x = 22,026,930,916,982.38
  5. Step 5: Solve for x
    x = 22,026,930,916,982.38/7,380,571.04
  6. Step 6: Final answer
    x = 2,984,448.06

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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.