Home / 10,325,985-14,250,128.16-5,679,889.80

Finding the Fourth Proportional to 10,325,985, 14,250,128.16 and 5,679,889.80

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Solution

The fourth proportional to 10,325,985, 14,250,128.16 and 5,679,889.80 is: 7,838,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325,985 : 14,250,128.16 = 5,679,889.80 : x
  2. Step 2: Convert to fraction form
    10,325,985/14,250,128.16 = 5,679,889.80/x
  3. Step 3: Cross multiply
    10,325,985x = 14,250,128.16 × 5,679,889.80
  4. Step 4: Simplify right side
    10,325,985x = 80,939,157,584,676.77
  5. Step 5: Solve for x
    x = 80,939,157,584,676.77/10,325,985
  6. Step 6: Final answer
    x = 7,838,395.81

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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.