Home / 13,299,782.58-18,353,332.89-7,498,513.62

Finding the Fourth Proportional to 13,299,782.58, 18,353,332.89 and 7,498,513.62

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Solution

The fourth proportional to 13,299,782.58, 18,353,332.89 and 7,498,513.62 is: 10,347,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,782.58 : 18,353,332.89 = 7,498,513.62 : x
  2. Step 2: Convert to fraction form
    13,299,782.58/18,353,332.89 = 7,498,513.62/x
  3. Step 3: Cross multiply
    13,299,782.58x = 18,353,332.89 × 7,498,513.62
  4. Step 4: Simplify right side
    13,299,782.58x = 137,622,716,648,058.97
  5. Step 5: Solve for x
    x = 137,622,716,648,058.97/13,299,782.58
  6. Step 6: Final answer
    x = 10,347,741.84

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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.