Home / 20,710,766.34-31,066,148.62-19,675,148.40

Finding the Fourth Proportional to 20,710,766.34, 31,066,148.62 and 19,675,148.40

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Solution

The fourth proportional to 20,710,766.34, 31,066,148.62 and 19,675,148.40 is: 29,512,721.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,766.34 : 31,066,148.62 = 19,675,148.40 : x
  2. Step 2: Convert to fraction form
    20,710,766.34/31,066,148.62 = 19,675,148.40/x
  3. Step 3: Cross multiply
    20,710,766.34x = 31,066,148.62 × 19,675,148.40
  4. Step 4: Simplify right side
    20,710,766.34x = 611,231,084,314,955.12
  5. Step 5: Solve for x
    x = 611,231,084,314,955.12/20,710,766.34
  6. Step 6: Final answer
    x = 29,512,721.75

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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.