Home / 7,250,533.93-10,005,507.80-3,987,338.57

Finding the Fourth Proportional to 7,250,533.93, 10,005,507.80 and 3,987,338.57

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Solution

The fourth proportional to 7,250,533.93, 10,005,507.80 and 3,987,338.57 is: 5,502,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,533.93 : 10,005,507.80 = 3,987,338.57 : x
  2. Step 2: Convert to fraction form
    7,250,533.93/10,005,507.80 = 3,987,338.57/x
  3. Step 3: Cross multiply
    7,250,533.93x = 10,005,507.80 × 3,987,338.57
  4. Step 4: Simplify right side
    7,250,533.93x = 39,895,347,168,313.57
  5. Step 5: Solve for x
    x = 39,895,347,168,313.57/7,250,533.93
  6. Step 6: Final answer
    x = 5,502,401.28

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1.5x scale

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.