Home / 38,968,568.64-53,775,300.60-21,565,647.36

Finding the Fourth Proportional to 38,968,568.64, 53,775,300.60 and 21,565,647.36

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Solution

The fourth proportional to 38,968,568.64, 53,775,300.60 and 21,565,647.36 is: 29,759,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968,568.64 : 53,775,300.60 = 21,565,647.36 : x
  2. Step 2: Convert to fraction form
    38,968,568.64/53,775,300.60 = 21,565,647.36/x
  3. Step 3: Cross multiply
    38,968,568.64x = 53,775,300.60 × 21,565,647.36
  4. Step 4: Simplify right side
    38,968,568.64x = 1,159,699,169,417,596.50
  5. Step 5: Solve for x
    x = 1,159,699,169,417,596.50/38,968,568.64
  6. Step 6: Final answer
    x = 29,759,860.57

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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.