Home / 19,190,853.30-28,744,289.55-16,671,429.30

Finding the Fourth Proportional to 19,190,853.30, 28,744,289.55 and 16,671,429.30

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Solution

The fourth proportional to 19,190,853.30, 28,744,289.55 and 16,671,429.30 is: 24,970,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190,853.30 : 28,744,289.55 = 16,671,429.30 : x
  2. Step 2: Convert to fraction form
    19,190,853.30/28,744,289.55 = 16,671,429.30/x
  3. Step 3: Cross multiply
    19,190,853.30x = 28,744,289.55 × 16,671,429.30
  4. Step 4: Simplify right side
    19,190,853.30x = 479,208,391,011,553.88
  5. Step 5: Solve for x
    x = 479,208,391,011,553.88/19,190,853.30
  6. Step 6: Final answer
    x = 24,970,666.16

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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.