Home / 20,710,732.05-31,066,097.18-19,675,114.11

Finding the Fourth Proportional to 20,710,732.05, 31,066,097.18 and 19,675,114.11

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Solution

The fourth proportional to 20,710,732.05, 31,066,097.18 and 19,675,114.11 is: 29,512,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,732.05 : 31,066,097.18 = 19,675,114.11 : x
  2. Step 2: Convert to fraction form
    20,710,732.05/31,066,097.18 = 19,675,114.11/x
  3. Step 3: Cross multiply
    20,710,732.05x = 31,066,097.18 × 19,675,114.11
  4. Step 4: Simplify right side
    20,710,732.05x = 611,229,006,870,473.62
  5. Step 5: Solve for x
    x = 611,229,006,870,473.62/20,710,732.05
  6. Step 6: Final answer
    x = 29,512,670.31

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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.