Home / 8,316,087.20-12,474,130.80-4,720,464.80

Finding the Fourth Proportional to 8,316,087.20, 12,474,130.80 and 4,720,464.80

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Solution

The fourth proportional to 8,316,087.20, 12,474,130.80 and 4,720,464.80 is: 7,080,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,087.20 : 12,474,130.80 = 4,720,464.80 : x
  2. Step 2: Convert to fraction form
    8,316,087.20/12,474,130.80 = 4,720,464.80/x
  3. Step 3: Cross multiply
    8,316,087.20x = 12,474,130.80 × 4,720,464.80
  4. Step 4: Simplify right side
    8,316,087.20x = 58,883,695,351,995.84
  5. Step 5: Solve for x
    x = 58,883,695,351,995.84/8,316,087.20
  6. Step 6: Final answer
    x = 7,080,697.20

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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.