Home / 20,710,708.16-31,066,061.32-19,675,090.19

Finding the Fourth Proportional to 20,710,708.16, 31,066,061.32 and 19,675,090.19

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Solution

The fourth proportional to 20,710,708.16, 31,066,061.32 and 19,675,090.19 is: 29,512,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,708.16 : 31,066,061.32 = 19,675,090.19 : x
  2. Step 2: Convert to fraction form
    20,710,708.16/31,066,061.32 = 19,675,090.19/x
  3. Step 3: Cross multiply
    20,710,708.16x = 31,066,061.32 × 19,675,090.19
  4. Step 4: Simplify right side
    20,710,708.16x = 611,227,558,114,552.38
  5. Step 5: Solve for x
    x = 611,227,558,114,552.38/20,710,708.16
  6. Step 6: Final answer
    x = 29,512,634.41

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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.