Home / 9,829,553.72-13,564,847.12-5,478,915.87

Finding the Fourth Proportional to 9,829,553.72, 13,564,847.12 and 5,478,915.87

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Solution

The fourth proportional to 9,829,553.72, 13,564,847.12 and 5,478,915.87 is: 7,560,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829,553.72 : 13,564,847.12 = 5,478,915.87 : x
  2. Step 2: Convert to fraction form
    9,829,553.72/13,564,847.12 = 5,478,915.87/x
  3. Step 3: Cross multiply
    9,829,553.72x = 13,564,847.12 × 5,478,915.87
  4. Step 4: Simplify right side
    9,829,553.72x = 74,320,656,132,497.22
  5. Step 5: Solve for x
    x = 74,320,656,132,497.22/9,829,553.72
  6. Step 6: Final answer
    x = 7,560,939.01

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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.