Home / 20,448,004.10-30,660,342.15-7,668,925.70

Finding the Fourth Proportional to 20,448,004.10, 30,660,342.15 and 7,668,925.70

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Solution

The fourth proportional to 20,448,004.10, 30,660,342.15 and 7,668,925.70 is: 11,499,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448,004.10 : 30,660,342.15 = 7,668,925.70 : x
  2. Step 2: Convert to fraction form
    20,448,004.10/30,660,342.15 = 7,668,925.70/x
  3. Step 3: Cross multiply
    20,448,004.10x = 30,660,342.15 × 7,668,925.70
  4. Step 4: Simplify right side
    20,448,004.10x = 235,131,885,884,928.25
  5. Step 5: Solve for x
    x = 235,131,885,884,928.25/20,448,004.10
  6. Step 6: Final answer
    x = 11,499,014.02

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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.