Home / 28,421,525.50-39,219,321.36-16,817,055.64

Finding the Fourth Proportional to 28,421,525.50, 39,219,321.36 and 16,817,055.64

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Solution

The fourth proportional to 28,421,525.50, 39,219,321.36 and 16,817,055.64 is: 23,206,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421,525.50 : 39,219,321.36 = 16,817,055.64 : x
  2. Step 2: Convert to fraction form
    28,421,525.50/39,219,321.36 = 16,817,055.64/x
  3. Step 3: Cross multiply
    28,421,525.50x = 39,219,321.36 × 16,817,055.64
  4. Step 4: Simplify right side
    28,421,525.50x = 659,553,509,474,160.50
  5. Step 5: Solve for x
    x = 659,553,509,474,160.50/28,421,525.50
  6. Step 6: Final answer
    x = 23,206,126.27

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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.