Home / 38,561,597.76-53,166,579.44-28,230,384.72

Finding the Fourth Proportional to 38,561,597.76, 53,166,579.44 and 28,230,384.72

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Solution

The fourth proportional to 38,561,597.76, 53,166,579.44 and 28,230,384.72 is: 38,922,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561,597.76 : 53,166,579.44 = 28,230,384.72 : x
  2. Step 2: Convert to fraction form
    38,561,597.76/53,166,579.44 = 28,230,384.72/x
  3. Step 3: Cross multiply
    38,561,597.76x = 53,166,579.44 × 28,230,384.72
  4. Step 4: Simplify right side
    38,561,597.76x = 1,500,912,991,837,642
  5. Step 5: Solve for x
    x = 1,500,912,991,837,642/38,561,597.76
  6. Step 6: Final answer
    x = 38,922,479.33

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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.