Home / 7,219,013.40-10,823,271.30-2,956,987.80

Finding the Fourth Proportional to 7,219,013.40, 10,823,271.30 and 2,956,987.80

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Solution

The fourth proportional to 7,219,013.40, 10,823,271.30 and 2,956,987.80 is: 4,433,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,013.40 : 10,823,271.30 = 2,956,987.80 : x
  2. Step 2: Convert to fraction form
    7,219,013.40/10,823,271.30 = 2,956,987.80/x
  3. Step 3: Cross multiply
    7,219,013.40x = 10,823,271.30 × 2,956,987.80
  4. Step 4: Simplify right side
    7,219,013.40x = 32,004,281,190,190.14
  5. Step 5: Solve for x
    x = 32,004,281,190,190.14/7,219,013.40
  6. Step 6: Final answer
    x = 4,433,331.73

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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.