Home / 8,782,868.63-12,121,631.63-5,060,975.54

Finding the Fourth Proportional to 8,782,868.63, 12,121,631.63 and 5,060,975.54

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Solution

The fourth proportional to 8,782,868.63, 12,121,631.63 and 5,060,975.54 is: 6,984,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,868.63 : 12,121,631.63 = 5,060,975.54 : x
  2. Step 2: Convert to fraction form
    8,782,868.63/12,121,631.63 = 5,060,975.54/x
  3. Step 3: Cross multiply
    8,782,868.63x = 12,121,631.63 × 5,060,975.54
  4. Step 4: Simplify right side
    8,782,868.63x = 61,347,281,098,407.30
  5. Step 5: Solve for x
    x = 61,347,281,098,407.30/8,782,868.63
  6. Step 6: Final answer
    x = 6,984,879.74

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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.