Home / 12,896,001.20-19,385,992.20-9,135,527.60

Finding the Fourth Proportional to 12,896,001.20, 19,385,992.20 and 9,135,527.60

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Solution

The fourth proportional to 12,896,001.20, 19,385,992.20 and 9,135,527.60 is: 13,733,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,001.20 : 19,385,992.20 = 9,135,527.60 : x
  2. Step 2: Convert to fraction form
    12,896,001.20/19,385,992.20 = 9,135,527.60/x
  3. Step 3: Cross multiply
    12,896,001.20x = 19,385,992.20 × 9,135,527.60
  4. Step 4: Simplify right side
    12,896,001.20x = 177,101,266,796,484.72
  5. Step 5: Solve for x
    x = 177,101,266,796,484.72/12,896,001.20
  6. Step 6: Final answer
    x = 13,733,037.40

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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.