Home / 7,138,529.92-10,685,205.56-4,576,320.64

Finding the Fourth Proportional to 7,138,529.92, 10,685,205.56 and 4,576,320.64

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Solution

The fourth proportional to 7,138,529.92, 10,685,205.56 and 4,576,320.64 is: 6,849,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,529.92 : 10,685,205.56 = 4,576,320.64 : x
  2. Step 2: Convert to fraction form
    7,138,529.92/10,685,205.56 = 4,576,320.64/x
  3. Step 3: Cross multiply
    7,138,529.92x = 10,685,205.56 × 4,576,320.64
  4. Step 4: Simplify right side
    7,138,529.92x = 48,898,926,746,870.76
  5. Step 5: Solve for x
    x = 48,898,926,746,870.76/7,138,529.92
  6. Step 6: Final answer
    x = 6,849,999.55

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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.