Home / 12,549,175.88-18,824,628.58-5,255,291.76

Finding the Fourth Proportional to 12,549,175.88, 18,824,628.58 and 5,255,291.76

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Solution

The fourth proportional to 12,549,175.88, 18,824,628.58 and 5,255,291.76 is: 7,883,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,175.88 : 18,824,628.58 = 5,255,291.76 : x
  2. Step 2: Convert to fraction form
    12,549,175.88/18,824,628.58 = 5,255,291.76/x
  3. Step 3: Cross multiply
    12,549,175.88x = 18,824,628.58 × 5,255,291.76
  4. Step 4: Simplify right side
    12,549,175.88x = 98,928,915,461,534.48
  5. Step 5: Solve for x
    x = 98,928,915,461,534.48/12,549,175.88
  6. Step 6: Final answer
    x = 7,883,299.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.