Home / 16,828,468.80-25,242,703.20-13,958,687.40

Finding the Fourth Proportional to 16,828,468.80, 25,242,703.20 and 13,958,687.40

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Solution

The fourth proportional to 16,828,468.80, 25,242,703.20 and 13,958,687.40 is: 20,938,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828,468.80 : 25,242,703.20 = 13,958,687.40 : x
  2. Step 2: Convert to fraction form
    16,828,468.80/25,242,703.20 = 13,958,687.40/x
  3. Step 3: Cross multiply
    16,828,468.80x = 25,242,703.20 × 13,958,687.40
  4. Step 4: Simplify right side
    16,828,468.80x = 352,355,003,099,779.69
  5. Step 5: Solve for x
    x = 352,355,003,099,779.69/16,828,468.80
  6. Step 6: Final answer
    x = 20,938,031.10

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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.