Home / 19,089,807.05-28,634,769.52-4,712,876.39

Finding the Fourth Proportional to 19,089,807.05, 28,634,769.52 and 4,712,876.39

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Solution

The fourth proportional to 19,089,807.05, 28,634,769.52 and 4,712,876.39 is: 7,069,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,807.05 : 28,634,769.52 = 4,712,876.39 : x
  2. Step 2: Convert to fraction form
    19,089,807.05/28,634,769.52 = 4,712,876.39/x
  3. Step 3: Cross multiply
    19,089,807.05x = 28,634,769.52 × 4,712,876.39
  4. Step 4: Simplify right side
    19,089,807.05x = 134,952,129,263,704.36
  5. Step 5: Solve for x
    x = 134,952,129,263,704.36/19,089,807.05
  6. Step 6: Final answer
    x = 7,069,329.14

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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.