Home / 8,439,079.51-11,645,919.20-4,571,616.65

Finding the Fourth Proportional to 8,439,079.51, 11,645,919.20 and 4,571,616.65

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Solution

The fourth proportional to 8,439,079.51, 11,645,919.20 and 4,571,616.65 is: 6,308,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,079.51 : 11,645,919.20 = 4,571,616.65 : x
  2. Step 2: Convert to fraction form
    8,439,079.51/11,645,919.20 = 4,571,616.65/x
  3. Step 3: Cross multiply
    8,439,079.51x = 11,645,919.20 × 4,571,616.65
  4. Step 4: Simplify right side
    8,439,079.51x = 53,240,678,096,416.60
  5. Step 5: Solve for x
    x = 53,240,678,096,416.60/8,439,079.51
  6. Step 6: Final answer
    x = 6,308,825.28

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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.