Home / 18,339,552.90-25,308,844.47-10,080,378.39

Finding the Fourth Proportional to 18,339,552.90, 25,308,844.47 and 10,080,378.39

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Solution

The fourth proportional to 18,339,552.90, 25,308,844.47 and 10,080,378.39 is: 13,911,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,552.90 : 25,308,844.47 = 10,080,378.39 : x
  2. Step 2: Convert to fraction form
    18,339,552.90/25,308,844.47 = 10,080,378.39/x
  3. Step 3: Cross multiply
    18,339,552.90x = 25,308,844.47 × 10,080,378.39
  4. Step 4: Simplify right side
    18,339,552.90x = 255,122,728,871,259
  5. Step 5: Solve for x
    x = 255,122,728,871,259/18,339,552.90
  6. Step 6: Final answer
    x = 13,911,065.89

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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.