Home / 19,958,768.60-29,893,916.10-15,456,445.40

Finding the Fourth Proportional to 19,958,768.60, 29,893,916.10 and 15,456,445.40

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Solution

The fourth proportional to 19,958,768.60, 29,893,916.10 and 15,456,445.40 is: 23,150,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,768.60 : 29,893,916.10 = 15,456,445.40 : x
  2. Step 2: Convert to fraction form
    19,958,768.60/29,893,916.10 = 15,456,445.40/x
  3. Step 3: Cross multiply
    19,958,768.60x = 29,893,916.10 × 15,456,445.40
  4. Step 4: Simplify right side
    19,958,768.60x = 462,053,681,991,831
  5. Step 5: Solve for x
    x = 462,053,681,991,831/19,958,768.60
  6. Step 6: Final answer
    x = 23,150,410.29

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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.