Home / 20,656,678-30,925,182.05-15,560,570.24

Finding the Fourth Proportional to 20,656,678, 30,925,182.05 and 15,560,570.24

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Solution

The fourth proportional to 20,656,678, 30,925,182.05 and 15,560,570.24 is: 23,295,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,678 : 30,925,182.05 = 15,560,570.24 : x
  2. Step 2: Convert to fraction form
    20,656,678/30,925,182.05 = 15,560,570.24/x
  3. Step 3: Cross multiply
    20,656,678x = 30,925,182.05 × 15,560,570.24
  4. Step 4: Simplify right side
    20,656,678x = 481,213,467,473,812.19
  5. Step 5: Solve for x
    x = 481,213,467,473,812.19/20,656,678
  6. Step 6: Final answer
    x = 23,295,782.00

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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.