Home / 47,717,179.70-71,570,409.47-13,178,491.58

Finding the Fourth Proportional to 47,717,179.70, 71,570,409.47 and 13,178,491.58

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Solution

The fourth proportional to 47,717,179.70, 71,570,409.47 and 13,178,491.58 is: 19,766,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,717,179.70 : 71,570,409.47 = 13,178,491.58 : x
  2. Step 2: Convert to fraction form
    47,717,179.70/71,570,409.47 = 13,178,491.58/x
  3. Step 3: Cross multiply
    47,717,179.70x = 71,570,409.47 × 13,178,491.58
  4. Step 4: Simplify right side
    47,717,179.70x = 943,190,038,610,493.50
  5. Step 5: Solve for x
    x = 943,190,038,610,493.50/47,717,179.70
  6. Step 6: Final answer
    x = 19,766,257.03

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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.