Home / 28,510,080.96-39,344,741.52-16,119,908.22

Finding the Fourth Proportional to 28,510,080.96, 39,344,741.52 and 16,119,908.22

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Solution

The fourth proportional to 28,510,080.96, 39,344,741.52 and 16,119,908.22 is: 22,245,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,080.96 : 39,344,741.52 = 16,119,908.22 : x
  2. Step 2: Convert to fraction form
    28,510,080.96/39,344,741.52 = 16,119,908.22/x
  3. Step 3: Cross multiply
    28,510,080.96x = 39,344,741.52 × 16,119,908.22
  4. Step 4: Simplify right side
    28,510,080.96x = 634,233,622,242,023.38
  5. Step 5: Solve for x
    x = 634,233,622,242,023.38/28,510,080.96
  6. Step 6: Final answer
    x = 22,245,942.52

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1.5x scale

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.