Home / 8,939,390.10-12,327,782.46-6,005,835.78

Finding the Fourth Proportional to 8,939,390.10, 12,327,782.46 and 6,005,835.78

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Solution

The fourth proportional to 8,939,390.10, 12,327,782.46 and 6,005,835.78 is: 8,282,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939,390.10 : 12,327,782.46 = 6,005,835.78 : x
  2. Step 2: Convert to fraction form
    8,939,390.10/12,327,782.46 = 6,005,835.78/x
  3. Step 3: Cross multiply
    8,939,390.10x = 12,327,782.46 × 6,005,835.78
  4. Step 4: Simplify right side
    8,939,390.10x = 74,038,636,986,324.42
  5. Step 5: Solve for x
    x = 74,038,636,986,324.42/8,939,390.10
  6. Step 6: Final answer
    x = 8,282,291.76

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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.