Home / 12,994,862.79-17,933,052.47-7,193,741.41

Finding the Fourth Proportional to 12,994,862.79, 17,933,052.47 and 7,193,741.41

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Solution

The fourth proportional to 12,994,862.79, 17,933,052.47 and 7,193,741.41 is: 9,927,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,862.79 : 17,933,052.47 = 7,193,741.41 : x
  2. Step 2: Convert to fraction form
    12,994,862.79/17,933,052.47 = 7,193,741.41/x
  3. Step 3: Cross multiply
    12,994,862.79x = 17,933,052.47 × 7,193,741.41
  4. Step 4: Simplify right side
    12,994,862.79x = 129,005,742,161,141.78
  5. Step 5: Solve for x
    x = 129,005,742,161,141.78/12,994,862.79
  6. Step 6: Final answer
    x = 9,927,441.65

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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.