Home / 39,095,120.64-53,957,738.88-21,697,054.08

Finding the Fourth Proportional to 39,095,120.64, 53,957,738.88 and 21,697,054.08

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Solution

The fourth proportional to 39,095,120.64, 53,957,738.88 and 21,697,054.08 is: 29,945,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,095,120.64 : 53,957,738.88 = 21,697,054.08 : x
  2. Step 2: Convert to fraction form
    39,095,120.64/53,957,738.88 = 21,697,054.08/x
  3. Step 3: Cross multiply
    39,095,120.64x = 53,957,738.88 × 21,697,054.08
  4. Step 4: Simplify right side
    39,095,120.64x = 1,170,723,978,513,878.50
  5. Step 5: Solve for x
    x = 1,170,723,978,513,878.50/39,095,120.64
  6. Step 6: Final answer
    x = 29,945,526.69

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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.