Home / 39,117,787.60-58,629,442.20-19,938,672.40

Finding the Fourth Proportional to 39,117,787.60, 58,629,442.20 and 19,938,672.40

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Solution

The fourth proportional to 39,117,787.60, 58,629,442.20 and 19,938,672.40 is: 29,883,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117,787.60 : 58,629,442.20 = 19,938,672.40 : x
  2. Step 2: Convert to fraction form
    39,117,787.60/58,629,442.20 = 19,938,672.40/x
  3. Step 3: Cross multiply
    39,117,787.60x = 58,629,442.20 × 19,938,672.40
  4. Step 4: Simplify right side
    39,117,787.60x = 1,168,993,241,020,535.25
  5. Step 5: Solve for x
    x = 1,168,993,241,020,535.25/39,117,787.60
  6. Step 6: Final answer
    x = 29,883,930.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.