Home / 12,774,888.81-19,162,334.05-10,204,067.20

Finding the Fourth Proportional to 12,774,888.81, 19,162,334.05 and 10,204,067.20

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Solution

The fourth proportional to 12,774,888.81, 19,162,334.05 and 10,204,067.20 is: 15,306,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774,888.81 : 19,162,334.05 = 10,204,067.20 : x
  2. Step 2: Convert to fraction form
    12,774,888.81/19,162,334.05 = 10,204,067.20/x
  3. Step 3: Cross multiply
    12,774,888.81x = 19,162,334.05 × 10,204,067.20
  4. Step 4: Simplify right side
    12,774,888.81x = 195,533,744,208,216.19
  5. Step 5: Solve for x
    x = 195,533,744,208,216.19/12,774,888.81
  6. Step 6: Final answer
    x = 15,306,101.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.