Home / 20,783,757.80-31,091,655.90-17,975,066.60

Finding the Fourth Proportional to 20,783,757.80, 31,091,655.90 and 17,975,066.60

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Solution

The fourth proportional to 20,783,757.80, 31,091,655.90 and 17,975,066.60 is: 26,889,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,783,757.80 : 31,091,655.90 = 17,975,066.60 : x
  2. Step 2: Convert to fraction form
    20,783,757.80/31,091,655.90 = 17,975,066.60/x
  3. Step 3: Cross multiply
    20,783,757.80x = 31,091,655.90 × 17,975,066.60
  4. Step 4: Simplify right side
    20,783,757.80x = 558,874,585,506,782.94
  5. Step 5: Solve for x
    x = 558,874,585,506,782.94/20,783,757.80
  6. Step 6: Final answer
    x = 26,889,968.16

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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.