Home / 19,089,808.56-28,634,771.78-4,712,877.90

Finding the Fourth Proportional to 19,089,808.56, 28,634,771.78 and 4,712,877.90

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Solution

The fourth proportional to 19,089,808.56, 28,634,771.78 and 4,712,877.90 is: 7,069,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,808.56 : 28,634,771.78 = 4,712,877.90 : x
  2. Step 2: Convert to fraction form
    19,089,808.56/28,634,771.78 = 4,712,877.90/x
  3. Step 3: Cross multiply
    19,089,808.56x = 28,634,771.78 × 4,712,877.90
  4. Step 4: Simplify right side
    19,089,808.56x = 134,952,183,069,941.28
  5. Step 5: Solve for x
    x = 134,952,183,069,941.28/19,089,808.56
  6. Step 6: Final answer
    x = 7,069,331.40

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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.