Home / 16,879,829.31-23,294,188.26-9,144,871.74

Finding the Fourth Proportional to 16,879,829.31, 23,294,188.26 and 9,144,871.74

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Solution

The fourth proportional to 16,879,829.31, 23,294,188.26 and 9,144,871.74 is: 12,619,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879,829.31 : 23,294,188.26 = 9,144,871.74 : x
  2. Step 2: Convert to fraction form
    16,879,829.31/23,294,188.26 = 9,144,871.74/x
  3. Step 3: Cross multiply
    16,879,829.31x = 23,294,188.26 × 9,144,871.74
  4. Step 4: Simplify right side
    16,879,829.31x = 213,022,363,925,113.78
  5. Step 5: Solve for x
    x = 213,022,363,925,113.78/16,879,829.31
  6. Step 6: Final answer
    x = 12,619,935.90

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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.