Home / 19,683,111.70-29,524,667.55-16,813,330.30

Finding the Fourth Proportional to 19,683,111.70, 29,524,667.55 and 16,813,330.30

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Solution

The fourth proportional to 19,683,111.70, 29,524,667.55 and 16,813,330.30 is: 25,219,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,111.70 : 29,524,667.55 = 16,813,330.30 : x
  2. Step 2: Convert to fraction form
    19,683,111.70/29,524,667.55 = 16,813,330.30/x
  3. Step 3: Cross multiply
    19,683,111.70x = 29,524,667.55 × 16,813,330.30
  4. Step 4: Simplify right side
    19,683,111.70x = 496,407,987,515,841.81
  5. Step 5: Solve for x
    x = 496,407,987,515,841.81/19,683,111.70
  6. Step 6: Final answer
    x = 25,219,995.45

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Similar ratio
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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.