Home / 18,194,639.40-27,284,085.90-7,408,355.40

Finding the Fourth Proportional to 18,194,639.40, 27,284,085.90 and 7,408,355.40

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Solution

The fourth proportional to 18,194,639.40, 27,284,085.90 and 7,408,355.40 is: 11,109,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,639.40 : 27,284,085.90 = 7,408,355.40 : x
  2. Step 2: Convert to fraction form
    18,194,639.40/27,284,085.90 = 7,408,355.40/x
  3. Step 3: Cross multiply
    18,194,639.40x = 27,284,085.90 × 7,408,355.40
  4. Step 4: Simplify right side
    18,194,639.40x = 202,130,205,111,328.84
  5. Step 5: Solve for x
    x = 202,130,205,111,328.84/18,194,639.40
  6. Step 6: Final answer
    x = 11,109,327.35

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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.