Home / 5,153,154.81-7,114,114.51-3,973,176.51

Finding the Fourth Proportional to 5,153,154.81, 7,114,114.51 and 3,973,176.51

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Solution

The fourth proportional to 5,153,154.81, 7,114,114.51 and 3,973,176.51 is: 5,485,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,154.81 : 7,114,114.51 = 3,973,176.51 : x
  2. Step 2: Convert to fraction form
    5,153,154.81/7,114,114.51 = 3,973,176.51/x
  3. Step 3: Cross multiply
    5,153,154.81x = 7,114,114.51 × 3,973,176.51
  4. Step 4: Simplify right side
    5,153,154.81x = 28,265,632,660,582.16
  5. Step 5: Solve for x
    x = 28,265,632,660,582.16/5,153,154.81
  6. Step 6: Final answer
    x = 5,485,112.27

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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.