Home / 28,416,391.80-42,624,587.70-12,460,039.80

Finding the Fourth Proportional to 28,416,391.80, 42,624,587.70 and 12,460,039.80

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Solution

The fourth proportional to 28,416,391.80, 42,624,587.70 and 12,460,039.80 is: 18,690,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,391.80 : 42,624,587.70 = 12,460,039.80 : x
  2. Step 2: Convert to fraction form
    28,416,391.80/42,624,587.70 = 12,460,039.80/x
  3. Step 3: Cross multiply
    28,416,391.80x = 42,624,587.70 × 12,460,039.80
  4. Step 4: Simplify right side
    28,416,391.80x = 531,104,059,200,590.50
  5. Step 5: Solve for x
    x = 531,104,059,200,590.50/28,416,391.80
  6. Step 6: Final answer
    x = 18,690,059.70

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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.