Home / 9,320,353.80-12,855,462.84-6,221,314.86

Finding the Fourth Proportional to 9,320,353.80, 12,855,462.84 and 6,221,314.86

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Solution

The fourth proportional to 9,320,353.80, 12,855,462.84 and 6,221,314.86 is: 8,580,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,353.80 : 12,855,462.84 = 6,221,314.86 : x
  2. Step 2: Convert to fraction form
    9,320,353.80/12,855,462.84 = 6,221,314.86/x
  3. Step 3: Cross multiply
    9,320,353.80x = 12,855,462.84 × 6,221,314.86
  4. Step 4: Simplify right side
    9,320,353.80x = 79,977,881,998,669.81
  5. Step 5: Solve for x
    x = 79,977,881,998,669.81/9,320,353.80
  6. Step 6: Final answer
    x = 8,580,992.06

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1.5x scale

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.