Home / 15,325,004.40-21,148,648.84-8,449,730.88

Finding the Fourth Proportional to 15,325,004.40, 21,148,648.84 and 8,449,730.88

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Solution

The fourth proportional to 15,325,004.40, 21,148,648.84 and 8,449,730.88 is: 11,660,707.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325,004.40 : 21,148,648.84 = 8,449,730.88 : x
  2. Step 2: Convert to fraction form
    15,325,004.40/21,148,648.84 = 8,449,730.88/x
  3. Step 3: Cross multiply
    15,325,004.40x = 21,148,648.84 × 8,449,730.88
  4. Step 4: Simplify right side
    15,325,004.40x = 178,700,391,173,624.19
  5. Step 5: Solve for x
    x = 178,700,391,173,624.19/15,325,004.40
  6. Step 6: Final answer
    x = 11,660,707.33

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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.