Home / 12,549,923.55-18,832,848.74-5,361,511.53

Finding the Fourth Proportional to 12,549,923.55, 18,832,848.74 and 5,361,511.53

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Solution

The fourth proportional to 12,549,923.55, 18,832,848.74 and 5,361,511.53 is: 8,045,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,923.55 : 18,832,848.74 = 5,361,511.53 : x
  2. Step 2: Convert to fraction form
    12,549,923.55/18,832,848.74 = 5,361,511.53/x
  3. Step 3: Cross multiply
    12,549,923.55x = 18,832,848.74 × 5,361,511.53
  4. Step 4: Simplify right side
    12,549,923.55x = 100,972,535,662,255.97
  5. Step 5: Solve for x
    x = 100,972,535,662,255.97/12,549,923.55
  6. Step 6: Final answer
    x = 8,045,669.38

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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.