Home / 7,820,271.72-11,732,243.58-2,428,643.88

Finding the Fourth Proportional to 7,820,271.72, 11,732,243.58 and 2,428,643.88

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Solution

The fourth proportional to 7,820,271.72, 11,732,243.58 and 2,428,643.88 is: 3,643,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,271.72 : 11,732,243.58 = 2,428,643.88 : x
  2. Step 2: Convert to fraction form
    7,820,271.72/11,732,243.58 = 2,428,643.88/x
  3. Step 3: Cross multiply
    7,820,271.72x = 11,732,243.58 × 2,428,643.88
  4. Step 4: Simplify right side
    7,820,271.72x = 28,493,441,569,236.29
  5. Step 5: Solve for x
    x = 28,493,441,569,236.29/7,820,271.72
  6. Step 6: Final answer
    x = 3,643,536.00

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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.