Home / 19,089,900.36-28,634,909.67-4,712,969.79

Finding the Fourth Proportional to 19,089,900.36, 28,634,909.67 and 4,712,969.79

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Solution

The fourth proportional to 19,089,900.36, 28,634,909.67 and 4,712,969.79 is: 7,069,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,900.36 : 28,634,909.67 = 4,712,969.79 : x
  2. Step 2: Convert to fraction form
    19,089,900.36/28,634,909.67 = 4,712,969.79/x
  3. Step 3: Cross multiply
    19,089,900.36x = 28,634,909.67 × 4,712,969.79
  4. Step 4: Simplify right side
    19,089,900.36x = 134,955,464,214,088.88
  5. Step 5: Solve for x
    x = 134,955,464,214,088.88/19,089,900.36
  6. Step 6: Final answer
    x = 7,069,469.28

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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.