Home / 13,693,108.42-18,897,079.98-7,581,536.92

Finding the Fourth Proportional to 13,693,108.42, 18,897,079.98 and 7,581,536.92

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Solution

The fourth proportional to 13,693,108.42, 18,897,079.98 and 7,581,536.92 is: 10,462,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,108.42 : 18,897,079.98 = 7,581,536.92 : x
  2. Step 2: Convert to fraction form
    13,693,108.42/18,897,079.98 = 7,581,536.92/x
  3. Step 3: Cross multiply
    13,693,108.42x = 18,897,079.98 × 7,581,536.92
  4. Step 4: Simplify right side
    13,693,108.42x = 143,268,909,548,562.88
  5. Step 5: Solve for x
    x = 143,268,909,548,562.88/13,693,108.42
  6. Step 6: Final answer
    x = 10,462,847.82

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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.