Home / 13,575,492-18,734,548.59-7,380,955.71

Finding the Fourth Proportional to 13,575,492, 18,734,548.59 and 7,380,955.71

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Solution

The fourth proportional to 13,575,492, 18,734,548.59 and 7,380,955.71 is: 10,185,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,492 : 18,734,548.59 = 7,380,955.71 : x
  2. Step 2: Convert to fraction form
    13,575,492/18,734,548.59 = 7,380,955.71/x
  3. Step 3: Cross multiply
    13,575,492x = 18,734,548.59 × 7,380,955.71
  4. Step 4: Simplify right side
    13,575,492x = 138,278,873,389,632.95
  5. Step 5: Solve for x
    x = 138,278,873,389,632.95/13,575,492
  6. Step 6: Final answer
    x = 10,185,919.85

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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.