Home / 13,693,099.17-18,897,067.22-7,581,527.67

Finding the Fourth Proportional to 13,693,099.17, 18,897,067.22 and 7,581,527.67

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Solution

The fourth proportional to 13,693,099.17, 18,897,067.22 and 7,581,527.67 is: 10,462,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,099.17 : 18,897,067.22 = 7,581,527.67 : x
  2. Step 2: Convert to fraction form
    13,693,099.17/18,897,067.22 = 7,581,527.67/x
  3. Step 3: Cross multiply
    13,693,099.17x = 18,897,067.22 × 7,581,527.67
  4. Step 4: Simplify right side
    13,693,099.17x = 143,268,637,972,372.34
  5. Step 5: Solve for x
    x = 143,268,637,972,372.34/13,693,099.17
  6. Step 6: Final answer
    x = 10,462,835.05

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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.