Home / 9,146,858.64-12,622,064.25-5,226,817.24

Finding the Fourth Proportional to 9,146,858.64, 12,622,064.25 and 5,226,817.24

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Solution

The fourth proportional to 9,146,858.64, 12,622,064.25 and 5,226,817.24 is: 7,212,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146,858.64 : 12,622,064.25 = 5,226,817.24 : x
  2. Step 2: Convert to fraction form
    9,146,858.64/12,622,064.25 = 5,226,817.24/x
  3. Step 3: Cross multiply
    9,146,858.64x = 12,622,064.25 × 5,226,817.24
  4. Step 4: Simplify right side
    9,146,858.64x = 65,973,223,026,287.67
  5. Step 5: Solve for x
    x = 65,973,223,026,287.67/9,146,858.64
  6. Step 6: Final answer
    x = 7,212,664.55

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1.5x scale

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.