Home / 10,516,416.64-14,512,664.64-5,687,520.64

Finding the Fourth Proportional to 10,516,416.64, 14,512,664.64 and 5,687,520.64

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Solution

The fourth proportional to 10,516,416.64, 14,512,664.64 and 5,687,520.64 is: 7,848,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,416.64 : 14,512,664.64 = 5,687,520.64 : x
  2. Step 2: Convert to fraction form
    10,516,416.64/14,512,664.64 = 5,687,520.64/x
  3. Step 3: Cross multiply
    10,516,416.64x = 14,512,664.64 × 5,687,520.64
  4. Step 4: Simplify right side
    10,516,416.64x = 82,541,079,681,398.17
  5. Step 5: Solve for x
    x = 82,541,079,681,398.17/10,516,416.64
  6. Step 6: Final answer
    x = 7,848,783.72

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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.