Home / 8,522,021.40-12,762,036.90-5,666,674.20

Finding the Fourth Proportional to 8,522,021.40, 12,762,036.90 and 5,666,674.20

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Solution

The fourth proportional to 8,522,021.40, 12,762,036.90 and 5,666,674.20 is: 8,486,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,021.40 : 12,762,036.90 = 5,666,674.20 : x
  2. Step 2: Convert to fraction form
    8,522,021.40/12,762,036.90 = 5,666,674.20/x
  3. Step 3: Cross multiply
    8,522,021.40x = 12,762,036.90 × 5,666,674.20
  4. Step 4: Simplify right side
    8,522,021.40x = 72,318,305,240,677.98
  5. Step 5: Solve for x
    x = 72,318,305,240,677.98/8,522,021.40
  6. Step 6: Final answer
    x = 8,486,050.65

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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.