Home / 9,571,428.64-13,208,728.92-5,220,514.88

Finding the Fourth Proportional to 9,571,428.64, 13,208,728.92 and 5,220,514.88

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Solution

The fourth proportional to 9,571,428.64, 13,208,728.92 and 5,220,514.88 is: 7,204,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571,428.64 : 13,208,728.92 = 5,220,514.88 : x
  2. Step 2: Convert to fraction form
    9,571,428.64/13,208,728.92 = 5,220,514.88/x
  3. Step 3: Cross multiply
    9,571,428.64x = 13,208,728.92 × 5,220,514.88
  4. Step 4: Simplify right side
    9,571,428.64x = 68,956,365,872,746.33
  5. Step 5: Solve for x
    x = 68,956,365,872,746.33/9,571,428.64
  6. Step 6: Final answer
    x = 7,204,396.38

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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.