Home / 21,853,536.40-32,780,304.60-20,733,792.40

Finding the Fourth Proportional to 21,853,536.40, 32,780,304.60 and 20,733,792.40

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Solution

The fourth proportional to 21,853,536.40, 32,780,304.60 and 20,733,792.40 is: 31,100,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,536.40 : 32,780,304.60 = 20,733,792.40 : x
  2. Step 2: Convert to fraction form
    21,853,536.40/32,780,304.60 = 20,733,792.40/x
  3. Step 3: Cross multiply
    21,853,536.40x = 32,780,304.60 × 20,733,792.40
  4. Step 4: Simplify right side
    21,853,536.40x = 679,660,030,385,165
  5. Step 5: Solve for x
    x = 679,660,030,385,165/21,853,536.40
  6. Step 6: Final answer
    x = 31,100,688.60

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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.