Home / 13,623,953.24-18,800,918.56-7,428,984.75

Finding the Fourth Proportional to 13,623,953.24, 18,800,918.56 and 7,428,984.75

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Solution

The fourth proportional to 13,623,953.24, 18,800,918.56 and 7,428,984.75 is: 10,251,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,953.24 : 18,800,918.56 = 7,428,984.75 : x
  2. Step 2: Convert to fraction form
    13,623,953.24/18,800,918.56 = 7,428,984.75/x
  3. Step 3: Cross multiply
    13,623,953.24x = 18,800,918.56 × 7,428,984.75
  4. Step 4: Simplify right side
    13,623,953.24x = 139,671,737,268,231.95
  5. Step 5: Solve for x
    x = 139,671,737,268,231.95/13,623,953.24
  6. Step 6: Final answer
    x = 10,251,924.30

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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.