Home / 38,938,694.79-53,733,224.43-21,294,115.41

Finding the Fourth Proportional to 38,938,694.79, 53,733,224.43 and 21,294,115.41

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Solution

The fourth proportional to 38,938,694.79, 53,733,224.43 and 21,294,115.41 is: 29,384,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938,694.79 : 53,733,224.43 = 21,294,115.41 : x
  2. Step 2: Convert to fraction form
    38,938,694.79/53,733,224.43 = 21,294,115.41/x
  3. Step 3: Cross multiply
    38,938,694.79x = 53,733,224.43 × 21,294,115.41
  4. Step 4: Simplify right side
    38,938,694.79x = 1,144,201,482,363,851.50
  5. Step 5: Solve for x
    x = 1,144,201,482,363,851.50/38,938,694.79
  6. Step 6: Final answer
    x = 29,384,690.18

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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.