Home / 8,529,881.40-12,769,938.90-8,281,049.40

Finding the Fourth Proportional to 8,529,881.40, 12,769,938.90 and 8,281,049.40

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Solution

The fourth proportional to 8,529,881.40, 12,769,938.90 and 8,281,049.40 is: 12,397,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529,881.40 : 12,769,938.90 = 8,281,049.40 : x
  2. Step 2: Convert to fraction form
    8,529,881.40/12,769,938.90 = 8,281,049.40/x
  3. Step 3: Cross multiply
    8,529,881.40x = 12,769,938.90 × 8,281,049.40
  4. Step 4: Simplify right side
    8,529,881.40x = 105,748,494,865,881.67
  5. Step 5: Solve for x
    x = 105,748,494,865,881.67/8,529,881.40
  6. Step 6: Final answer
    x = 12,397,416.79

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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.