Home / 28,095,752.81-42,143,164.56-8,399,925.54

Finding the Fourth Proportional to 28,095,752.81, 42,143,164.56 and 8,399,925.54

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Solution

The fourth proportional to 28,095,752.81, 42,143,164.56 and 8,399,925.54 is: 12,599,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095,752.81 : 42,143,164.56 = 8,399,925.54 : x
  2. Step 2: Convert to fraction form
    28,095,752.81/42,143,164.56 = 8,399,925.54/x
  3. Step 3: Cross multiply
    28,095,752.81x = 42,143,164.56 × 8,399,925.54
  4. Step 4: Simplify right side
    28,095,752.81x = 353,999,444,183,351.62
  5. Step 5: Solve for x
    x = 353,999,444,183,351.62/28,095,752.81
  6. Step 6: Final answer
    x = 12,599,749.39

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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.