Home / 47,788,322.90-71,682,899.20-15,440,228.89

Finding the Fourth Proportional to 47,788,322.90, 71,682,899.20 and 15,440,228.89

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Solution

The fourth proportional to 47,788,322.90, 71,682,899.20 and 15,440,228.89 is: 23,160,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,788,322.90 : 71,682,899.20 = 15,440,228.89 : x
  2. Step 2: Convert to fraction form
    47,788,322.90/71,682,899.20 = 15,440,228.89/x
  3. Step 3: Cross multiply
    47,788,322.90x = 71,682,899.20 × 15,440,228.89
  4. Step 4: Simplify right side
    47,788,322.90x = 1,106,800,370,928,990.12
  5. Step 5: Solve for x
    x = 1,106,800,370,928,990.12/47,788,322.90
  6. Step 6: Final answer
    x = 23,160,477.37

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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.