Home / 19,588,380.80-29,382,571.20-8,241,641.60

Finding the Fourth Proportional to 19,588,380.80, 29,382,571.20 and 8,241,641.60

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Solution

The fourth proportional to 19,588,380.80, 29,382,571.20 and 8,241,641.60 is: 12,362,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588,380.80 : 29,382,571.20 = 8,241,641.60 : x
  2. Step 2: Convert to fraction form
    19,588,380.80/29,382,571.20 = 8,241,641.60/x
  3. Step 3: Cross multiply
    19,588,380.80x = 29,382,571.20 × 8,241,641.60
  4. Step 4: Simplify right side
    19,588,380.80x = 242,160,621,116,881.91
  5. Step 5: Solve for x
    x = 242,160,621,116,881.91/19,588,380.80
  6. Step 6: Final answer
    x = 12,362,462.40

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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.