Home / 12,355,206.36-18,533,756.78-4,157,888.86

Finding the Fourth Proportional to 12,355,206.36, 18,533,756.78 and 4,157,888.86

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Solution

The fourth proportional to 12,355,206.36, 18,533,756.78 and 4,157,888.86 is: 6,237,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,206.36 : 18,533,756.78 = 4,157,888.86 : x
  2. Step 2: Convert to fraction form
    12,355,206.36/18,533,756.78 = 4,157,888.86/x
  3. Step 3: Cross multiply
    12,355,206.36x = 18,533,756.78 × 4,157,888.86
  4. Step 4: Simplify right side
    12,355,206.36x = 77,061,300,867,481.30
  5. Step 5: Solve for x
    x = 77,061,300,867,481.30/12,355,206.36
  6. Step 6: Final answer
    x = 6,237,152.07

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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.