Home / 9,871,659.12-13,622,321.16-5,461,124.88

Finding the Fourth Proportional to 9,871,659.12, 13,622,321.16 and 5,461,124.88

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Solution

The fourth proportional to 9,871,659.12, 13,622,321.16 and 5,461,124.88 is: 7,536,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,659.12 : 13,622,321.16 = 5,461,124.88 : x
  2. Step 2: Convert to fraction form
    9,871,659.12/13,622,321.16 = 5,461,124.88/x
  3. Step 3: Cross multiply
    9,871,659.12x = 13,622,321.16 × 5,461,124.88
  4. Step 4: Simplify right side
    9,871,659.12x = 74,393,197,010,226.45
  5. Step 5: Solve for x
    x = 74,393,197,010,226.45/9,871,659.12
  6. Step 6: Final answer
    x = 7,536,037.87

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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.