Home / 8,921,673.90-12,311,758.26-4,847,263.74

Finding the Fourth Proportional to 8,921,673.90, 12,311,758.26 and 4,847,263.74

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Solution

The fourth proportional to 8,921,673.90, 12,311,758.26 and 4,847,263.74 is: 6,689,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,673.90 : 12,311,758.26 = 4,847,263.74 : x
  2. Step 2: Convert to fraction form
    8,921,673.90/12,311,758.26 = 4,847,263.74/x
  3. Step 3: Cross multiply
    8,921,673.90x = 12,311,758.26 × 4,847,263.74
  4. Step 4: Simplify right side
    8,921,673.90x = 59,678,339,389,343.49
  5. Step 5: Solve for x
    x = 59,678,339,389,343.49/8,921,673.90
  6. Step 6: Final answer
    x = 6,689,141.53

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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.