Home / 12,118,573.92-18,167,683.08-5,289,951.48

Finding the Fourth Proportional to 12,118,573.92, 18,167,683.08 and 5,289,951.48

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Solution

The fourth proportional to 12,118,573.92, 18,167,683.08 and 5,289,951.48 is: 7,930,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,118,573.92 : 18,167,683.08 = 5,289,951.48 : x
  2. Step 2: Convert to fraction form
    12,118,573.92/18,167,683.08 = 5,289,951.48/x
  3. Step 3: Cross multiply
    12,118,573.92x = 18,167,683.08 × 5,289,951.48
  4. Step 4: Simplify right side
    12,118,573.92x = 96,106,161,997,216.95
  5. Step 5: Solve for x
    x = 96,106,161,997,216.95/12,118,573.92
  6. Step 6: Final answer
    x = 7,930,484.45

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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.