Home / 13,440,672.40-20,161,008.60-9,661,536.40

Finding the Fourth Proportional to 13,440,672.40, 20,161,008.60 and 9,661,536.40

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Solution

The fourth proportional to 13,440,672.40, 20,161,008.60 and 9,661,536.40 is: 14,492,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,672.40 : 20,161,008.60 = 9,661,536.40 : x
  2. Step 2: Convert to fraction form
    13,440,672.40/20,161,008.60 = 9,661,536.40/x
  3. Step 3: Cross multiply
    13,440,672.40x = 20,161,008.60 × 9,661,536.40
  4. Step 4: Simplify right side
    13,440,672.40x = 194,786,318,449,613.06
  5. Step 5: Solve for x
    x = 194,786,318,449,613.06/13,440,672.40
  6. Step 6: Final answer
    x = 14,492,304.60

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1.5x scale

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.