Home / 5,153,155.81-7,114,115.89-3,973,177.51

Finding the Fourth Proportional to 5,153,155.81, 7,114,115.89 and 3,973,177.51

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Solution

The fourth proportional to 5,153,155.81, 7,114,115.89 and 3,973,177.51 is: 5,485,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,155.81 : 7,114,115.89 = 3,973,177.51 : x
  2. Step 2: Convert to fraction form
    5,153,155.81/7,114,115.89 = 3,973,177.51/x
  3. Step 3: Cross multiply
    5,153,155.81x = 7,114,115.89 × 3,973,177.51
  4. Step 4: Simplify right side
    5,153,155.81x = 28,265,645,257,681.63
  5. Step 5: Solve for x
    x = 28,265,645,257,681.63/5,153,155.81
  6. Step 6: Final answer
    x = 5,485,113.65

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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.