Home / 19,581,369.46-27,023,019.12-11,742,158

Finding the Fourth Proportional to 19,581,369.46, 27,023,019.12 and 11,742,158

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Solution

The fourth proportional to 19,581,369.46, 27,023,019.12 and 11,742,158 is: 16,204,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581,369.46 : 27,023,019.12 = 11,742,158 : x
  2. Step 2: Convert to fraction form
    19,581,369.46/27,023,019.12 = 11,742,158/x
  3. Step 3: Cross multiply
    19,581,369.46x = 27,023,019.12 × 11,742,158
  4. Step 4: Simplify right side
    19,581,369.46x = 317,308,560,144,061
  5. Step 5: Solve for x
    x = 317,308,560,144,061/19,581,369.46
  6. Step 6: Final answer
    x = 16,204,615.35

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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.