Home / 5,153,153.81-7,114,113.13-3,973,175.51

Finding the Fourth Proportional to 5,153,153.81, 7,114,113.13 and 3,973,175.51

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Solution

The fourth proportional to 5,153,153.81, 7,114,113.13 and 3,973,175.51 is: 5,485,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,153.81 : 7,114,113.13 = 3,973,175.51 : x
  2. Step 2: Convert to fraction form
    5,153,153.81/7,114,113.13 = 3,973,175.51/x
  3. Step 3: Cross multiply
    5,153,153.81x = 7,114,113.13 × 3,973,175.51
  4. Step 4: Simplify right side
    5,153,153.81x = 28,265,620,063,485.45
  5. Step 5: Solve for x
    x = 28,265,620,063,485.45/5,153,153.81
  6. Step 6: Final answer
    x = 5,485,110.89

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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.