Home / 7,842,840.61-10,822,885.78-4,358,168.64

Finding the Fourth Proportional to 7,842,840.61, 10,822,885.78 and 4,358,168.64

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Solution

The fourth proportional to 7,842,840.61, 10,822,885.78 and 4,358,168.64 is: 6,014,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842,840.61 : 10,822,885.78 = 4,358,168.64 : x
  2. Step 2: Convert to fraction form
    7,842,840.61/10,822,885.78 = 4,358,168.64/x
  3. Step 3: Cross multiply
    7,842,840.61x = 10,822,885.78 × 4,358,168.64
  4. Step 4: Simplify right side
    7,842,840.61x = 47,167,961,400,697.93
  5. Step 5: Solve for x
    x = 47,167,961,400,697.93/7,842,840.61
  6. Step 6: Final answer
    x = 6,014,142.55

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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.