Home / 21,181,740.90-31,777,364.43-6,805,627.62

Finding the Fourth Proportional to 21,181,740.90, 31,777,364.43 and 6,805,627.62

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Solution

The fourth proportional to 21,181,740.90, 31,777,364.43 and 6,805,627.62 is: 10,209,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,181,740.90 : 31,777,364.43 = 6,805,627.62 : x
  2. Step 2: Convert to fraction form
    21,181,740.90/31,777,364.43 = 6,805,627.62/x
  3. Step 3: Cross multiply
    21,181,740.90x = 31,777,364.43 × 6,805,627.62
  4. Step 4: Simplify right side
    21,181,740.90x = 216,264,909,055,613.56
  5. Step 5: Solve for x
    x = 216,264,909,055,613.56/21,181,740.90
  6. Step 6: Final answer
    x = 10,209,968.58

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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.