Home / 13,571,576.40-20,357,364.60-8,186,307.60

Finding the Fourth Proportional to 13,571,576.40, 20,357,364.60 and 8,186,307.60

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Solution

The fourth proportional to 13,571,576.40, 20,357,364.60 and 8,186,307.60 is: 12,279,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571,576.40 : 20,357,364.60 = 8,186,307.60 : x
  2. Step 2: Convert to fraction form
    13,571,576.40/20,357,364.60 = 8,186,307.60/x
  3. Step 3: Cross multiply
    13,571,576.40x = 20,357,364.60 × 8,186,307.60
  4. Step 4: Simplify right side
    13,571,576.40x = 166,651,648,540,950.97
  5. Step 5: Solve for x
    x = 166,651,648,540,950.97/13,571,576.40
  6. Step 6: Final answer
    x = 12,279,461.40

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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.