Home / 7,814,520-10,784,070.81-4,553,571.78

Finding the Fourth Proportional to 7,814,520, 10,784,070.81 and 4,553,571.78

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Solution

The fourth proportional to 7,814,520, 10,784,070.81 and 4,553,571.78 is: 6,283,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814,520 : 10,784,070.81 = 4,553,571.78 : x
  2. Step 2: Convert to fraction form
    7,814,520/10,784,070.81 = 4,553,571.78/x
  3. Step 3: Cross multiply
    7,814,520x = 10,784,070.81 × 4,553,571.78
  4. Step 4: Simplify right side
    7,814,520x = 49,106,040,513,937.75
  5. Step 5: Solve for x
    x = 49,106,040,513,937.75/7,814,520
  6. Step 6: Final answer
    x = 6,283,948.41

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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.