Home / 19,089,910.36-28,634,924.68-4,712,979.80

Finding the Fourth Proportional to 19,089,910.36, 28,634,924.68 and 4,712,979.80

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Solution

The fourth proportional to 19,089,910.36, 28,634,924.68 and 4,712,979.80 is: 7,069,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,910.36 : 28,634,924.68 = 4,712,979.80 : x
  2. Step 2: Convert to fraction form
    19,089,910.36/28,634,924.68 = 4,712,979.80/x
  3. Step 3: Cross multiply
    19,089,910.36x = 28,634,924.68 × 4,712,979.80
  4. Step 4: Simplify right side
    19,089,910.36x = 134,955,821,591,361.45
  5. Step 5: Solve for x
    x = 134,955,821,591,361.45/19,089,910.36
  6. Step 6: Final answer
    x = 7,069,484.30

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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.