Home / 19,388,821.20-29,083,231.80-16,402,837.20

Finding the Fourth Proportional to 19,388,821.20, 29,083,231.80 and 16,402,837.20

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Solution

The fourth proportional to 19,388,821.20, 29,083,231.80 and 16,402,837.20 is: 24,604,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388,821.20 : 29,083,231.80 = 16,402,837.20 : x
  2. Step 2: Convert to fraction form
    19,388,821.20/29,083,231.80 = 16,402,837.20/x
  3. Step 3: Cross multiply
    19,388,821.20x = 29,083,231.80 × 16,402,837.20
  4. Step 4: Simplify right side
    19,388,821.20x = 477,047,516,465,262.94
  5. Step 5: Solve for x
    x = 477,047,516,465,262.94/19,388,821.20
  6. Step 6: Final answer
    x = 24,604,255.80

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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.