Home / 25,463,012.20-35,072,019.75-19,571,379.76

Finding the Fourth Proportional to 25,463,012.20, 35,072,019.75 and 19,571,379.76

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Solution

The fourth proportional to 25,463,012.20, 35,072,019.75 and 19,571,379.76 is: 26,957,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,463,012.20 : 35,072,019.75 = 19,571,379.76 : x
  2. Step 2: Convert to fraction form
    25,463,012.20/35,072,019.75 = 19,571,379.76/x
  3. Step 3: Cross multiply
    25,463,012.20x = 35,072,019.75 × 19,571,379.76
  4. Step 4: Simplify right side
    25,463,012.20x = 686,407,817,477,470.38
  5. Step 5: Solve for x
    x = 686,407,817,477,470.38/25,463,012.20
  6. Step 6: Final answer
    x = 26,957,054.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.