Home / 38,700,322.32-53,405,105.58-21,295,039.08

Finding the Fourth Proportional to 38,700,322.32, 53,405,105.58 and 21,295,039.08

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Solution

The fourth proportional to 38,700,322.32, 53,405,105.58 and 21,295,039.08 is: 29,386,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,700,322.32 : 53,405,105.58 = 21,295,039.08 : x
  2. Step 2: Convert to fraction form
    38,700,322.32/53,405,105.58 = 21,295,039.08/x
  3. Step 3: Cross multiply
    38,700,322.32x = 53,405,105.58 × 21,295,039.08
  4. Step 4: Simplify right side
    38,700,322.32x = 1,137,263,810,397,626
  5. Step 5: Solve for x
    x = 1,137,263,810,397,626/38,700,322.32
  6. Step 6: Final answer
    x = 29,386,417.02

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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.