Home / 30,918,109.40-46,377,164.10-19,571,370.20

Finding the Fourth Proportional to 30,918,109.40, 46,377,164.10 and 19,571,370.20

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Solution

The fourth proportional to 30,918,109.40, 46,377,164.10 and 19,571,370.20 is: 29,357,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918,109.40 : 46,377,164.10 = 19,571,370.20 : x
  2. Step 2: Convert to fraction form
    30,918,109.40/46,377,164.10 = 19,571,370.20/x
  3. Step 3: Cross multiply
    30,918,109.40x = 46,377,164.10 × 19,571,370.20
  4. Step 4: Simplify right side
    30,918,109.40x = 907,664,647,427,249.88
  5. Step 5: Solve for x
    x = 907,664,647,427,249.88/30,918,109.40
  6. Step 6: Final answer
    x = 29,357,055.30

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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.