Home / 20,284,366.44-30,436,538.80-9,499,804.72

Finding the Fourth Proportional to 20,284,366.44, 30,436,538.80 and 9,499,804.72

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Solution

The fourth proportional to 20,284,366.44, 30,436,538.80 and 9,499,804.72 is: 14,254,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,366.44 : 30,436,538.80 = 9,499,804.72 : x
  2. Step 2: Convert to fraction form
    20,284,366.44/30,436,538.80 = 9,499,804.72/x
  3. Step 3: Cross multiply
    20,284,366.44x = 30,436,538.80 × 9,499,804.72
  4. Step 4: Simplify right side
    20,284,366.44x = 289,141,174,952,703.19
  5. Step 5: Solve for x
    x = 289,141,174,952,703.19/20,284,366.44
  6. Step 6: Final answer
    x = 14,254,385.31

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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.