Home / 19,289,302.74-28,938,995.91-11,194,496.82

Finding the Fourth Proportional to 19,289,302.74, 28,938,995.91 and 11,194,496.82

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Solution

The fourth proportional to 19,289,302.74, 28,938,995.91 and 11,194,496.82 is: 16,794,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289,302.74 : 28,938,995.91 = 11,194,496.82 : x
  2. Step 2: Convert to fraction form
    19,289,302.74/28,938,995.91 = 11,194,496.82/x
  3. Step 3: Cross multiply
    19,289,302.74x = 28,938,995.91 × 11,194,496.82
  4. Step 4: Simplify right side
    19,289,302.74x = 323,957,497,688,488
  5. Step 5: Solve for x
    x = 323,957,497,688,488/19,289,302.74
  6. Step 6: Final answer
    x = 16,794,671.23

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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.