Home / 13,173,646.15-19,783,083-8,085,951.50

Finding the Fourth Proportional to 13,173,646.15, 19,783,083 and 8,085,951.50

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Solution

The fourth proportional to 13,173,646.15, 19,783,083 and 8,085,951.50 is: 12,142,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,646.15 : 19,783,083 = 8,085,951.50 : x
  2. Step 2: Convert to fraction form
    13,173,646.15/19,783,083 = 8,085,951.50/x
  3. Step 3: Cross multiply
    13,173,646.15x = 19,783,083 × 8,085,951.50
  4. Step 4: Simplify right side
    13,173,646.15x = 159,965,049,658,474.50
  5. Step 5: Solve for x
    x = 159,965,049,658,474.50/13,173,646.15
  6. Step 6: Final answer
    x = 12,142,807.53

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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.