Home / 38,324,619.63-52,880,899.14-21,803,779.71

Finding the Fourth Proportional to 38,324,619.63, 52,880,899.14 and 21,803,779.71

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Solution

The fourth proportional to 38,324,619.63, 52,880,899.14 and 21,803,779.71 is: 30,085,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,324,619.63 : 52,880,899.14 = 21,803,779.71 : x
  2. Step 2: Convert to fraction form
    38,324,619.63/52,880,899.14 = 21,803,779.71/x
  3. Step 3: Cross multiply
    38,324,619.63x = 52,880,899.14 × 21,803,779.71
  4. Step 4: Simplify right side
    38,324,619.63x = 1,153,003,475,715,288.50
  5. Step 5: Solve for x
    x = 1,153,003,475,715,288.50/38,324,619.63
  6. Step 6: Final answer
    x = 30,085,190.33

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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.