Home / 7,772,144.81-11,633,956.70-5,725,113.11

Finding the Fourth Proportional to 7,772,144.81, 11,633,956.70 and 5,725,113.11

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Solution

The fourth proportional to 7,772,144.81, 11,633,956.70 and 5,725,113.11 is: 8,569,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,144.81 : 11,633,956.70 = 5,725,113.11 : x
  2. Step 2: Convert to fraction form
    7,772,144.81/11,633,956.70 = 5,725,113.11/x
  3. Step 3: Cross multiply
    7,772,144.81x = 11,633,956.70 × 5,725,113.11
  4. Step 4: Simplify right side
    7,772,144.81x = 66,605,717,981,174.32
  5. Step 5: Solve for x
    x = 66,605,717,981,174.32/7,772,144.81
  6. Step 6: Final answer
    x = 8,569,798.90

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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.