Home / 7,238,002.20-10,856,225.70-1,919,218.20

Finding the Fourth Proportional to 7,238,002.20, 10,856,225.70 and 1,919,218.20

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Solution

The fourth proportional to 7,238,002.20, 10,856,225.70 and 1,919,218.20 is: 2,878,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,002.20 : 10,856,225.70 = 1,919,218.20 : x
  2. Step 2: Convert to fraction form
    7,238,002.20/10,856,225.70 = 1,919,218.20/x
  3. Step 3: Cross multiply
    7,238,002.20x = 10,856,225.70 × 1,919,218.20
  4. Step 4: Simplify right side
    7,238,002.20x = 20,835,465,946,747.74
  5. Step 5: Solve for x
    x = 20,835,465,946,747.74/7,238,002.20
  6. Step 6: Final answer
    x = 2,878,621.11

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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.