Home / 18,383,315.60-27,574,973.40-4,920,143.60

Finding the Fourth Proportional to 18,383,315.60, 27,574,973.40 and 4,920,143.60

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Solution

The fourth proportional to 18,383,315.60, 27,574,973.40 and 4,920,143.60 is: 7,380,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383,315.60 : 27,574,973.40 = 4,920,143.60 : x
  2. Step 2: Convert to fraction form
    18,383,315.60/27,574,973.40 = 4,920,143.60/x
  3. Step 3: Cross multiply
    18,383,315.60x = 27,574,973.40 × 4,920,143.60
  4. Step 4: Simplify right side
    18,383,315.60x = 135,672,828,894,180.22
  5. Step 5: Solve for x
    x = 135,672,828,894,180.22/18,383,315.60
  6. Step 6: Final answer
    x = 7,380,215.40

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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.