Home / 28,084,811.70-42,127,217.55-6,809,675.70

Finding the Fourth Proportional to 28,084,811.70, 42,127,217.55 and 6,809,675.70

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Solution

The fourth proportional to 28,084,811.70, 42,127,217.55 and 6,809,675.70 is: 10,214,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,811.70 : 42,127,217.55 = 6,809,675.70 : x
  2. Step 2: Convert to fraction form
    28,084,811.70/42,127,217.55 = 6,809,675.70/x
  3. Step 3: Cross multiply
    28,084,811.70x = 42,127,217.55 × 6,809,675.70
  4. Step 4: Simplify right side
    28,084,811.70x = 286,872,689,658,848.50
  5. Step 5: Solve for x
    x = 286,872,689,658,848.50/28,084,811.70
  6. Step 6: Final answer
    x = 10,214,513.55

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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.