Home / 31,493,339.80-47,240,009.70-23,879,080.60

Finding the Fourth Proportional to 31,493,339.80, 47,240,009.70 and 23,879,080.60

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Solution

The fourth proportional to 31,493,339.80, 47,240,009.70 and 23,879,080.60 is: 35,818,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493,339.80 : 47,240,009.70 = 23,879,080.60 : x
  2. Step 2: Convert to fraction form
    31,493,339.80/47,240,009.70 = 23,879,080.60/x
  3. Step 3: Cross multiply
    31,493,339.80x = 47,240,009.70 × 23,879,080.60
  4. Step 4: Simplify right side
    31,493,339.80x = 1,128,047,999,171,082
  5. Step 5: Solve for x
    x = 1,128,047,999,171,082/31,493,339.80
  6. Step 6: Final answer
    x = 35,818,620.90

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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.