Home / 19,174,913.40-28,762,370.10-13,821,137.40

Finding the Fourth Proportional to 19,174,913.40, 28,762,370.10 and 13,821,137.40

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Solution

The fourth proportional to 19,174,913.40, 28,762,370.10 and 13,821,137.40 is: 20,731,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174,913.40 : 28,762,370.10 = 13,821,137.40 : x
  2. Step 2: Convert to fraction form
    19,174,913.40/28,762,370.10 = 13,821,137.40/x
  3. Step 3: Cross multiply
    19,174,913.40x = 28,762,370.10 × 13,821,137.40
  4. Step 4: Simplify right side
    19,174,913.40x = 397,528,669,101,751.75
  5. Step 5: Solve for x
    x = 397,528,669,101,751.75/19,174,913.40
  6. Step 6: Final answer
    x = 20,731,706.10

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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.