Home / 21,463,841.60-32,170,879.20-8,675,950.40

Finding the Fourth Proportional to 21,463,841.60, 32,170,879.20 and 8,675,950.40

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Solution

The fourth proportional to 21,463,841.60, 32,170,879.20 and 8,675,950.40 is: 13,003,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463,841.60 : 32,170,879.20 = 8,675,950.40 : x
  2. Step 2: Convert to fraction form
    21,463,841.60/32,170,879.20 = 8,675,950.40/x
  3. Step 3: Cross multiply
    21,463,841.60x = 32,170,879.20 × 8,675,950.40
  4. Step 4: Simplify right side
    21,463,841.60x = 279,112,952,263,591.69
  5. Step 5: Solve for x
    x = 279,112,952,263,591.69/21,463,841.60
  6. Step 6: Final answer
    x = 13,003,867.50

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1.5x scale

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.