Home / 39,338,763.66-54,286,152.74-21,698,365.16

Finding the Fourth Proportional to 39,338,763.66, 54,286,152.74 and 21,698,365.16

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Solution

The fourth proportional to 39,338,763.66, 54,286,152.74 and 21,698,365.16 is: 29,943,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,338,763.66 : 54,286,152.74 = 21,698,365.16 : x
  2. Step 2: Convert to fraction form
    39,338,763.66/54,286,152.74 = 21,698,365.16/x
  3. Step 3: Cross multiply
    39,338,763.66x = 54,286,152.74 × 21,698,365.16
  4. Step 4: Simplify right side
    39,338,763.66x = 1,177,920,765,284,054.50
  5. Step 5: Solve for x
    x = 1,177,920,765,284,054.50/39,338,763.66
  6. Step 6: Final answer
    x = 29,943,004.19

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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.