Home / 14,985,347.22-20,679,778.91-8,109,829.28

Finding the Fourth Proportional to 14,985,347.22, 20,679,778.91 and 8,109,829.28

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Solution

The fourth proportional to 14,985,347.22, 20,679,778.91 and 8,109,829.28 is: 11,191,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,347.22 : 20,679,778.91 = 8,109,829.28 : x
  2. Step 2: Convert to fraction form
    14,985,347.22/20,679,778.91 = 8,109,829.28/x
  3. Step 3: Cross multiply
    14,985,347.22x = 20,679,778.91 × 8,109,829.28
  4. Step 4: Simplify right side
    14,985,347.22x = 167,709,476,580,218.50
  5. Step 5: Solve for x
    x = 167,709,476,580,218.50/14,985,347.22
  6. Step 6: Final answer
    x = 11,191,564.27

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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.