Home / 7,884,812.16-10,878,984.56-4,619,872.66

Finding the Fourth Proportional to 7,884,812.16, 10,878,984.56 and 4,619,872.66

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Solution

The fourth proportional to 7,884,812.16, 10,878,984.56 and 4,619,872.66 is: 6,374,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,812.16 : 10,878,984.56 = 4,619,872.66 : x
  2. Step 2: Convert to fraction form
    7,884,812.16/10,878,984.56 = 4,619,872.66/x
  3. Step 3: Cross multiply
    7,884,812.16x = 10,878,984.56 × 4,619,872.66
  4. Step 4: Simplify right side
    7,884,812.16x = 50,259,523,337,306.13
  5. Step 5: Solve for x
    x = 50,259,523,337,306.13/7,884,812.16
  6. Step 6: Final answer
    x = 6,374,219.49

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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.