Home / 13,888,074.53-19,172,188.56-9,249,578.75

Finding the Fourth Proportional to 13,888,074.53, 19,172,188.56 and 9,249,578.75

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Solution

The fourth proportional to 13,888,074.53, 19,172,188.56 and 9,249,578.75 is: 12,768,844.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,074.53 : 19,172,188.56 = 9,249,578.75 : x
  2. Step 2: Convert to fraction form
    13,888,074.53/19,172,188.56 = 9,249,578.75/x
  3. Step 3: Cross multiply
    13,888,074.53x = 19,172,188.56 × 9,249,578.75
  4. Step 4: Simplify right side
    13,888,074.53x = 177,334,667,799,708.12
  5. Step 5: Solve for x
    x = 177,334,667,799,708.12/13,888,074.53
  6. Step 6: Final answer
    x = 12,768,844.77

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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.