Home / 12,823,904.80-19,193,866.80-9,968,557.60

Finding the Fourth Proportional to 12,823,904.80, 19,193,866.80 and 9,968,557.60

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Solution

The fourth proportional to 12,823,904.80, 19,193,866.80 and 9,968,557.60 is: 14,920,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823,904.80 : 19,193,866.80 = 9,968,557.60 : x
  2. Step 2: Convert to fraction form
    12,823,904.80/19,193,866.80 = 9,968,557.60/x
  3. Step 3: Cross multiply
    12,823,904.80x = 19,193,866.80 × 9,968,557.60
  4. Step 4: Simplify right side
    12,823,904.80x = 191,335,166,762,527.69
  5. Step 5: Solve for x
    x = 191,335,166,762,527.69/12,823,904.80
  6. Step 6: Final answer
    x = 14,920,195.51

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1.5x scale

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.