Home / 5,128,351.14-7,077,477.57-2,953,467.12

Finding the Fourth Proportional to 5,128,351.14, 7,077,477.57 and 2,953,467.12

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Solution

The fourth proportional to 5,128,351.14, 7,077,477.57 and 2,953,467.12 is: 4,075,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,351.14 : 7,077,477.57 = 2,953,467.12 : x
  2. Step 2: Convert to fraction form
    5,128,351.14/7,077,477.57 = 2,953,467.12/x
  3. Step 3: Cross multiply
    5,128,351.14x = 7,077,477.57 × 2,953,467.12
  4. Step 4: Simplify right side
    5,128,351.14x = 20,903,097,295,532.50
  5. Step 5: Solve for x
    x = 20,903,097,295,532.50/5,128,351.14
  6. Step 6: Final answer
    x = 4,075,987.92

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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.