Home / 19,483,890.80-29,227,679.40-5,300,466.80

Finding the Fourth Proportional to 19,483,890.80, 29,227,679.40 and 5,300,466.80

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Solution

The fourth proportional to 19,483,890.80, 29,227,679.40 and 5,300,466.80 is: 7,951,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483,890.80 : 29,227,679.40 = 5,300,466.80 : x
  2. Step 2: Convert to fraction form
    19,483,890.80/29,227,679.40 = 5,300,466.80/x
  3. Step 3: Cross multiply
    19,483,890.80x = 29,227,679.40 × 5,300,466.80
  4. Step 4: Simplify right side
    19,483,890.80x = 154,920,344,300,743.91
  5. Step 5: Solve for x
    x = 154,920,344,300,743.91/19,483,890.80
  6. Step 6: Final answer
    x = 7,951,201.63

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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.