Home / 19,686,232.20-29,529,348.30-18,835,926.60

Finding the Fourth Proportional to 19,686,232.20, 29,529,348.30 and 18,835,926.60

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Solution

The fourth proportional to 19,686,232.20, 29,529,348.30 and 18,835,926.60 is: 28,253,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,232.20 : 29,529,348.30 = 18,835,926.60 : x
  2. Step 2: Convert to fraction form
    19,686,232.20/29,529,348.30 = 18,835,926.60/x
  3. Step 3: Cross multiply
    19,686,232.20x = 29,529,348.30 × 18,835,926.60
  4. Step 4: Simplify right side
    19,686,232.20x = 556,212,637,124,634.81
  5. Step 5: Solve for x
    x = 556,212,637,124,634.81/19,686,232.20
  6. Step 6: Final answer
    x = 28,253,889.90

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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.