Home / 18,726,768-25,842,939.84-10,142,064

Finding the Fourth Proportional to 18,726,768, 25,842,939.84 and 10,142,064

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Solution

The fourth proportional to 18,726,768, 25,842,939.84 and 10,142,064 is: 13,996,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726,768 : 25,842,939.84 = 10,142,064 : x
  2. Step 2: Convert to fraction form
    18,726,768/25,842,939.84 = 10,142,064/x
  3. Step 3: Cross multiply
    18,726,768x = 25,842,939.84 × 10,142,064
  4. Step 4: Simplify right side
    18,726,768x = 262,100,749,805,429.75
  5. Step 5: Solve for x
    x = 262,100,749,805,429.75/18,726,768
  6. Step 6: Final answer
    x = 13,996,048.32

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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.