Home / 12,938,372.28-19,405,501.74-4,301,754.36

Finding the Fourth Proportional to 12,938,372.28, 19,405,501.74 and 4,301,754.36

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Solution

The fourth proportional to 12,938,372.28, 19,405,501.74 and 4,301,754.36 is: 6,451,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,372.28 : 19,405,501.74 = 4,301,754.36 : x
  2. Step 2: Convert to fraction form
    12,938,372.28/19,405,501.74 = 4,301,754.36/x
  3. Step 3: Cross multiply
    12,938,372.28x = 19,405,501.74 × 4,301,754.36
  4. Step 4: Simplify right side
    12,938,372.28x = 83,477,701,718,032.58
  5. Step 5: Solve for x
    x = 83,477,701,718,032.58/12,938,372.28
  6. Step 6: Final answer
    x = 6,451,947.73

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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.