Home / 20,284,365.93-30,436,538.04-9,499,804.23

Finding the Fourth Proportional to 20,284,365.93, 30,436,538.04 and 9,499,804.23

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Solution

The fourth proportional to 20,284,365.93, 30,436,538.04 and 9,499,804.23 is: 14,254,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,365.93 : 30,436,538.04 = 9,499,804.23 : x
  2. Step 2: Convert to fraction form
    20,284,365.93/30,436,538.04 = 9,499,804.23/x
  3. Step 3: Cross multiply
    20,284,365.93x = 30,436,538.04 × 9,499,804.23
  4. Step 4: Simplify right side
    20,284,365.93x = 289,141,152,818,947.94
  5. Step 5: Solve for x
    x = 289,141,152,818,947.94/20,284,365.93
  6. Step 6: Final answer
    x = 14,254,384.57

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1.5x scale

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.