Home / 34,293,321.47-51,428,450.91-12,429,123.87

Finding the Fourth Proportional to 34,293,321.47, 51,428,450.91 and 12,429,123.87

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Solution

The fourth proportional to 34,293,321.47, 51,428,450.91 and 12,429,123.87 is: 18,639,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,293,321.47 : 51,428,450.91 = 12,429,123.87 : x
  2. Step 2: Convert to fraction form
    34,293,321.47/51,428,450.91 = 12,429,123.87/x
  3. Step 3: Cross multiply
    34,293,321.47x = 51,428,450.91 × 12,429,123.87
  4. Step 4: Simplify right side
    34,293,321.47x = 639,210,586,995,460.88
  5. Step 5: Solve for x
    x = 639,210,586,995,460.88/34,293,321.47
  6. Step 6: Final answer
    x = 18,639,506.46

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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.