Home / 13,076,527.76-18,045,154.20-7,195,611.80

Finding the Fourth Proportional to 13,076,527.76, 18,045,154.20 and 7,195,611.80

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Solution

The fourth proportional to 13,076,527.76, 18,045,154.20 and 7,195,611.80 is: 9,929,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,527.76 : 18,045,154.20 = 7,195,611.80 : x
  2. Step 2: Convert to fraction form
    13,076,527.76/18,045,154.20 = 7,195,611.80/x
  3. Step 3: Cross multiply
    13,076,527.76x = 18,045,154.20 × 7,195,611.80
  4. Step 4: Simplify right side
    13,076,527.76x = 129,845,924,494,339.55
  5. Step 5: Solve for x
    x = 129,845,924,494,339.55/13,076,527.76
  6. Step 6: Final answer
    x = 9,929,694.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.