Home / 8,492,057.70-12,738,086.55-5,657,705.70

Finding the Fourth Proportional to 8,492,057.70, 12,738,086.55 and 5,657,705.70

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Solution

The fourth proportional to 8,492,057.70, 12,738,086.55 and 5,657,705.70 is: 8,486,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,057.70 : 12,738,086.55 = 5,657,705.70 : x
  2. Step 2: Convert to fraction form
    8,492,057.70/12,738,086.55 = 5,657,705.70/x
  3. Step 3: Cross multiply
    8,492,057.70x = 12,738,086.55 × 5,657,705.70
  4. Step 4: Simplify right side
    8,492,057.70x = 72,068,344,881,028.34
  5. Step 5: Solve for x
    x = 72,068,344,881,028.34/8,492,057.70
  6. Step 6: Final answer
    x = 8,486,558.55

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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.