Home / 21,282,527.79-31,923,791.96-5,108,479.02

Finding the Fourth Proportional to 21,282,527.79, 31,923,791.96 and 5,108,479.02

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Solution

The fourth proportional to 21,282,527.79, 31,923,791.96 and 5,108,479.02 is: 7,662,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,527.79 : 31,923,791.96 = 5,108,479.02 : x
  2. Step 2: Convert to fraction form
    21,282,527.79/31,923,791.96 = 5,108,479.02/x
  3. Step 3: Cross multiply
    21,282,527.79x = 31,923,791.96 × 5,108,479.02
  4. Step 4: Simplify right side
    21,282,527.79x = 163,082,021,440,962.25
  5. Step 5: Solve for x
    x = 163,082,021,440,962.25/21,282,527.79
  6. Step 6: Final answer
    x = 7,662,718.59

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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.