Home / 13,977,703.55-19,290,024.83-8,397,656.89

Finding the Fourth Proportional to 13,977,703.55, 19,290,024.83 and 8,397,656.89

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Solution

The fourth proportional to 13,977,703.55, 19,290,024.83 and 8,397,656.89 is: 11,589,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,703.55 : 19,290,024.83 = 8,397,656.89 : x
  2. Step 2: Convert to fraction form
    13,977,703.55/19,290,024.83 = 8,397,656.89/x
  3. Step 3: Cross multiply
    13,977,703.55x = 19,290,024.83 × 8,397,656.89
  4. Step 4: Simplify right side
    13,977,703.55x = 161,991,009,894,689.66
  5. Step 5: Solve for x
    x = 161,991,009,894,689.66/13,977,703.55
  6. Step 6: Final answer
    x = 11,589,243.49

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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.