Home / 12,775,403.72-19,166,126.13-4,139,489.90

Finding the Fourth Proportional to 12,775,403.72, 19,166,126.13 and 4,139,489.90

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Solution

The fourth proportional to 12,775,403.72, 19,166,126.13 and 4,139,489.90 is: 6,210,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,403.72 : 19,166,126.13 = 4,139,489.90 : x
  2. Step 2: Convert to fraction form
    12,775,403.72/19,166,126.13 = 4,139,489.90/x
  3. Step 3: Cross multiply
    12,775,403.72x = 19,166,126.13 × 4,139,489.90
  4. Step 4: Simplify right side
    12,775,403.72x = 79,337,985,441,430.45
  5. Step 5: Solve for x
    x = 79,337,985,441,430.45/12,775,403.72
  6. Step 6: Final answer
    x = 6,210,213.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.