Home / 9,986,519.65-13,781,261.02-5,576,313.40

Finding the Fourth Proportional to 9,986,519.65, 13,781,261.02 and 5,576,313.40

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Solution

The fourth proportional to 9,986,519.65, 13,781,261.02 and 5,576,313.40 is: 7,695,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,519.65 : 13,781,261.02 = 5,576,313.40 : x
  2. Step 2: Convert to fraction form
    9,986,519.65/13,781,261.02 = 5,576,313.40/x
  3. Step 3: Cross multiply
    9,986,519.65x = 13,781,261.02 × 5,576,313.40
  4. Step 4: Simplify right side
    9,986,519.65x = 76,848,630,494,723.67
  5. Step 5: Solve for x
    x = 76,848,630,494,723.67/9,986,519.65
  6. Step 6: Final answer
    x = 7,695,236.50

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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.