Home / 18,986,493.69-26,201,487.08-10,284,666.30

Finding the Fourth Proportional to 18,986,493.69, 26,201,487.08 and 10,284,666.30

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Solution

The fourth proportional to 18,986,493.69, 26,201,487.08 and 10,284,666.30 is: 14,192,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986,493.69 : 26,201,487.08 = 10,284,666.30 : x
  2. Step 2: Convert to fraction form
    18,986,493.69/26,201,487.08 = 10,284,666.30/x
  3. Step 3: Cross multiply
    18,986,493.69x = 26,201,487.08 × 10,284,666.30
  4. Step 4: Simplify right side
    18,986,493.69x = 269,473,551,181,561.41
  5. Step 5: Solve for x
    x = 269,473,551,181,561.41/18,986,493.69
  6. Step 6: Final answer
    x = 14,192,907.63

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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.