Home / 18,519,693.84-25,557,127.56-10,259,771.76

Finding the Fourth Proportional to 18,519,693.84, 25,557,127.56 and 10,259,771.76

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Solution

The fourth proportional to 18,519,693.84, 25,557,127.56 and 10,259,771.76 is: 14,158,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,693.84 : 25,557,127.56 = 10,259,771.76 : x
  2. Step 2: Convert to fraction form
    18,519,693.84/25,557,127.56 = 10,259,771.76/x
  3. Step 3: Cross multiply
    18,519,693.84x = 25,557,127.56 × 10,259,771.76
  4. Step 4: Simplify right side
    18,519,693.84x = 262,210,295,606,805.69
  5. Step 5: Solve for x
    x = 262,210,295,606,805.69/18,519,693.84
  6. Step 6: Final answer
    x = 14,158,457.36

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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.