Home / 39,020,314-53,851,340.07-21,622,116.64

Finding the Fourth Proportional to 39,020,314, 53,851,340.07 and 21,622,116.64

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Solution

The fourth proportional to 39,020,314, 53,851,340.07 and 21,622,116.64 is: 29,840,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,314 : 53,851,340.07 = 21,622,116.64 : x
  2. Step 2: Convert to fraction form
    39,020,314/53,851,340.07 = 21,622,116.64/x
  3. Step 3: Cross multiply
    39,020,314x = 53,851,340.07 × 21,622,116.64
  4. Step 4: Simplify right side
    39,020,314x = 1,164,379,956,213,845.75
  5. Step 5: Solve for x
    x = 1,164,379,956,213,845.75/39,020,314
  6. Step 6: Final answer
    x = 29,840,353.31

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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.