Home / 19,089,808.05-28,634,771.02-4,712,877.39

Finding the Fourth Proportional to 19,089,808.05, 28,634,771.02 and 4,712,877.39

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Solution

The fourth proportional to 19,089,808.05, 28,634,771.02 and 4,712,877.39 is: 7,069,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,808.05 : 28,634,771.02 = 4,712,877.39 : x
  2. Step 2: Convert to fraction form
    19,089,808.05/28,634,771.02 = 4,712,877.39/x
  3. Step 3: Cross multiply
    19,089,808.05x = 28,634,771.02 × 4,712,877.39
  4. Step 4: Simplify right side
    19,089,808.05x = 134,952,164,907,985.22
  5. Step 5: Solve for x
    x = 134,952,164,907,985.22/19,089,808.05
  6. Step 6: Final answer
    x = 7,069,330.64

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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.