Home / 12,131,483.70-18,197,225.55-5,754,191.70

Finding the Fourth Proportional to 12,131,483.70, 18,197,225.55 and 5,754,191.70

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Solution

The fourth proportional to 12,131,483.70, 18,197,225.55 and 5,754,191.70 is: 8,631,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,483.70 : 18,197,225.55 = 5,754,191.70 : x
  2. Step 2: Convert to fraction form
    12,131,483.70/18,197,225.55 = 5,754,191.70/x
  3. Step 3: Cross multiply
    12,131,483.70x = 18,197,225.55 × 5,754,191.70
  4. Step 4: Simplify right side
    12,131,483.70x = 104,710,324,222,837.94
  5. Step 5: Solve for x
    x = 104,710,324,222,837.94/12,131,483.70
  6. Step 6: Final answer
    x = 8,631,287.55

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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.