Home / 8,182,837.20-12,269,647.80-3,134,312.40

Finding the Fourth Proportional to 8,182,837.20, 12,269,647.80 and 3,134,312.40

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Solution

The fourth proportional to 8,182,837.20, 12,269,647.80 and 3,134,312.40 is: 4,699,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182,837.20 : 12,269,647.80 = 3,134,312.40 : x
  2. Step 2: Convert to fraction form
    8,182,837.20/12,269,647.80 = 3,134,312.40/x
  3. Step 3: Cross multiply
    8,182,837.20x = 12,269,647.80 × 3,134,312.40
  4. Step 4: Simplify right side
    8,182,837.20x = 38,456,909,243,172.72
  5. Step 5: Solve for x
    x = 38,456,909,243,172.72/8,182,837.20
  6. Step 6: Final answer
    x = 4,699,703.58

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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.