Home / 8,317,110.40-12,479,812.80-4,725,635.20

Finding the Fourth Proportional to 8,317,110.40, 12,479,812.80 and 4,725,635.20

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Solution

The fourth proportional to 8,317,110.40, 12,479,812.80 and 4,725,635.20 is: 7,090,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,110.40 : 12,479,812.80 = 4,725,635.20 : x
  2. Step 2: Convert to fraction form
    8,317,110.40/12,479,812.80 = 4,725,635.20/x
  3. Step 3: Cross multiply
    8,317,110.40x = 12,479,812.80 × 4,725,635.20
  4. Step 4: Simplify right side
    8,317,110.40x = 58,975,042,657,090.56
  5. Step 5: Solve for x
    x = 58,975,042,657,090.56/8,317,110.40
  6. Step 6: Final answer
    x = 7,090,809.17

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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.