Home / 7,623,429.90-10,520,515.89-4,138,915.27

Finding the Fourth Proportional to 7,623,429.90, 10,520,515.89 and 4,138,915.27

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Solution

The fourth proportional to 7,623,429.90, 10,520,515.89 and 4,138,915.27 is: 5,711,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623,429.90 : 10,520,515.89 = 4,138,915.27 : x
  2. Step 2: Convert to fraction form
    7,623,429.90/10,520,515.89 = 4,138,915.27/x
  3. Step 3: Cross multiply
    7,623,429.90x = 10,520,515.89 × 4,138,915.27
  4. Step 4: Simplify right side
    7,623,429.90x = 43,543,523,839,097.35
  5. Step 5: Solve for x
    x = 43,543,523,839,097.35/7,623,429.90
  6. Step 6: Final answer
    x = 5,711,802.22

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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.