Home / 7,652,915.18-10,561,022.64-4,215,156.32

Finding the Fourth Proportional to 7,652,915.18, 10,561,022.64 and 4,215,156.32

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Solution

The fourth proportional to 7,652,915.18, 10,561,022.64 and 4,215,156.32 is: 5,816,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652,915.18 : 10,561,022.64 = 4,215,156.32 : x
  2. Step 2: Convert to fraction form
    7,652,915.18/10,561,022.64 = 4,215,156.32/x
  3. Step 3: Cross multiply
    7,652,915.18x = 10,561,022.64 × 4,215,156.32
  4. Step 4: Simplify right side
    7,652,915.18x = 44,516,361,326,659.09
  5. Step 5: Solve for x
    x = 44,516,361,326,659.09/7,652,915.18
  6. Step 6: Final answer
    x = 5,816,915.55

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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.