Home / 28,421,523-39,219,317.91-16,817,053.14

Finding the Fourth Proportional to 28,421,523, 39,219,317.91 and 16,817,053.14

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Solution

The fourth proportional to 28,421,523, 39,219,317.91 and 16,817,053.14 is: 23,206,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421,523 : 39,219,317.91 = 16,817,053.14 : x
  2. Step 2: Convert to fraction form
    28,421,523/39,219,317.91 = 16,817,053.14/x
  3. Step 3: Cross multiply
    28,421,523x = 39,219,317.91 × 16,817,053.14
  4. Step 4: Simplify right side
    28,421,523x = 659,553,353,407,023.75
  5. Step 5: Solve for x
    x = 659,553,353,407,023.75/28,421,523
  6. Step 6: Final answer
    x = 23,206,122.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.