Home / 20,750,585.93-28,638,333.32-12,048,758.28

Finding the Fourth Proportional to 20,750,585.93, 28,638,333.32 and 12,048,758.28

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Solution

The fourth proportional to 20,750,585.93, 28,638,333.32 and 12,048,758.28 is: 16,628,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750,585.93 : 28,638,333.32 = 12,048,758.28 : x
  2. Step 2: Convert to fraction form
    20,750,585.93/28,638,333.32 = 12,048,758.28/x
  3. Step 3: Cross multiply
    20,750,585.93x = 28,638,333.32 × 12,048,758.28
  4. Step 4: Simplify right side
    20,750,585.93x = 345,056,355,654,506.12
  5. Step 5: Solve for x
    x = 345,056,355,654,506.12/20,750,585.93
  6. Step 6: Final answer
    x = 16,628,752.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.