Home / 10,285,135.65-15,427,834.70-7,089,403.77

Finding the Fourth Proportional to 10,285,135.65, 15,427,834.70 and 7,089,403.77

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Solution

The fourth proportional to 10,285,135.65, 15,427,834.70 and 7,089,403.77 is: 10,634,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285,135.65 : 15,427,834.70 = 7,089,403.77 : x
  2. Step 2: Convert to fraction form
    10,285,135.65/15,427,834.70 = 7,089,403.77/x
  3. Step 3: Cross multiply
    10,285,135.65x = 15,427,834.70 × 7,089,403.77
  4. Step 4: Simplify right side
    10,285,135.65x = 109,374,149,449,669.80
  5. Step 5: Solve for x
    x = 109,374,149,449,669.80/10,285,135.65
  6. Step 6: Final answer
    x = 10,634,196.10

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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.