Home / 40,004,525.80-55,206,510.60-21,669,811.12

Finding the Fourth Proportional to 40,004,525.80, 55,206,510.60 and 21,669,811.12

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Solution

The fourth proportional to 40,004,525.80, 55,206,510.60 and 21,669,811.12 is: 29,904,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004,525.80 : 55,206,510.60 = 21,669,811.12 : x
  2. Step 2: Convert to fraction form
    40,004,525.80/55,206,510.60 = 21,669,811.12/x
  3. Step 3: Cross multiply
    40,004,525.80x = 55,206,510.60 × 21,669,811.12
  4. Step 4: Simplify right side
    40,004,525.80x = 1,196,314,657,296,278
  5. Step 5: Solve for x
    x = 1,196,314,657,296,278/40,004,525.80
  6. Step 6: Final answer
    x = 29,904,482.89

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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.