Home / 19,038,241.25-28,556,816.86-5,391,355.35

Finding the Fourth Proportional to 19,038,241.25, 28,556,816.86 and 5,391,355.35

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Solution

The fourth proportional to 19,038,241.25, 28,556,816.86 and 5,391,355.35 is: 8,086,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038,241.25 : 28,556,816.86 = 5,391,355.35 : x
  2. Step 2: Convert to fraction form
    19,038,241.25/28,556,816.86 = 5,391,355.35/x
  3. Step 3: Cross multiply
    19,038,241.25x = 28,556,816.86 × 5,391,355.35
  4. Step 4: Simplify right side
    19,038,241.25x = 153,959,947,357,131.19
  5. Step 5: Solve for x
    x = 153,959,947,357,131.19/19,038,241.25
  6. Step 6: Final answer
    x = 8,086,878.68

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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.