Home / 30,885,386.56-42,604,125.44-19,262,771.80

Finding the Fourth Proportional to 30,885,386.56, 42,604,125.44 and 19,262,771.80

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Solution

The fourth proportional to 30,885,386.56, 42,604,125.44 and 19,262,771.80 is: 26,571,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,386.56 : 42,604,125.44 = 19,262,771.80 : x
  2. Step 2: Convert to fraction form
    30,885,386.56/42,604,125.44 = 19,262,771.80/x
  3. Step 3: Cross multiply
    30,885,386.56x = 42,604,125.44 × 19,262,771.80
  4. Step 4: Simplify right side
    30,885,386.56x = 820,673,546,089,294.62
  5. Step 5: Solve for x
    x = 820,673,546,089,294.62/30,885,386.56
  6. Step 6: Final answer
    x = 26,571,580.85

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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.