Home / 38,988,975.26-53,804,798.98-21,348,993.51

Finding the Fourth Proportional to 38,988,975.26, 53,804,798.98 and 21,348,993.51

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Solution

The fourth proportional to 38,988,975.26, 53,804,798.98 and 21,348,993.51 is: 29,461,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988,975.26 : 53,804,798.98 = 21,348,993.51 : x
  2. Step 2: Convert to fraction form
    38,988,975.26/53,804,798.98 = 21,348,993.51/x
  3. Step 3: Cross multiply
    38,988,975.26x = 53,804,798.98 × 21,348,993.51
  4. Step 4: Simplify right side
    38,988,975.26x = 1,148,678,304,177,502.25
  5. Step 5: Solve for x
    x = 1,148,678,304,177,502.25/38,988,975.26
  6. Step 6: Final answer
    x = 29,461,618.23

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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.