Home / 19,390,131.20-29,085,196.80-16,404,147.20

Finding the Fourth Proportional to 19,390,131.20, 29,085,196.80 and 16,404,147.20

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Solution

The fourth proportional to 19,390,131.20, 29,085,196.80 and 16,404,147.20 is: 24,606,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390,131.20 : 29,085,196.80 = 16,404,147.20 : x
  2. Step 2: Convert to fraction form
    19,390,131.20/29,085,196.80 = 16,404,147.20/x
  3. Step 3: Cross multiply
    19,390,131.20x = 29,085,196.80 × 16,404,147.20
  4. Step 4: Simplify right side
    19,390,131.20x = 477,117,849,648,168.94
  5. Step 5: Solve for x
    x = 477,117,849,648,168.94/19,390,131.20
  6. Step 6: Final answer
    x = 24,606,220.80

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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.