Home / 13,099,134.60-19,648,701.90-8,316,165.60

Finding the Fourth Proportional to 13,099,134.60, 19,648,701.90 and 8,316,165.60

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Solution

The fourth proportional to 13,099,134.60, 19,648,701.90 and 8,316,165.60 is: 12,474,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,134.60 : 19,648,701.90 = 8,316,165.60 : x
  2. Step 2: Convert to fraction form
    13,099,134.60/19,648,701.90 = 8,316,165.60/x
  3. Step 3: Cross multiply
    13,099,134.60x = 19,648,701.90 × 8,316,165.60
  4. Step 4: Simplify right side
    13,099,134.60x = 163,401,858,825,434.62
  5. Step 5: Solve for x
    x = 163,401,858,825,434.62/13,099,134.60
  6. Step 6: Final answer
    x = 12,474,248.40

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Similar ratio
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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.