Home / 9,778,821.20-14,667,575.70-2,590,200.80

Finding the Fourth Proportional to 9,778,821.20, 14,667,575.70 and 2,590,200.80

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Solution

The fourth proportional to 9,778,821.20, 14,667,575.70 and 2,590,200.80 is: 3,885,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,821.20 : 14,667,575.70 = 2,590,200.80 : x
  2. Step 2: Convert to fraction form
    9,778,821.20/14,667,575.70 = 2,590,200.80/x
  3. Step 3: Cross multiply
    9,778,821.20x = 14,667,575.70 × 2,590,200.80
  4. Step 4: Simplify right side
    9,778,821.20x = 37,991,966,312,200.55
  5. Step 5: Solve for x
    x = 37,991,966,312,200.55/9,778,821.20
  6. Step 6: Final answer
    x = 3,885,127.41

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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.