Home / 28,042,790.46-38,705,507.90-16,444,090.64

Finding the Fourth Proportional to 28,042,790.46, 38,705,507.90 and 16,444,090.64

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Solution

The fourth proportional to 28,042,790.46, 38,705,507.90 and 16,444,090.64 is: 22,696,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042,790.46 : 38,705,507.90 = 16,444,090.64 : x
  2. Step 2: Convert to fraction form
    28,042,790.46/38,705,507.90 = 16,444,090.64/x
  3. Step 3: Cross multiply
    28,042,790.46x = 38,705,507.90 × 16,444,090.64
  4. Step 4: Simplify right side
    28,042,790.46x = 636,476,879,899,088.12
  5. Step 5: Solve for x
    x = 636,476,879,899,088.12/28,042,790.46
  6. Step 6: Final answer
    x = 22,696,631.45

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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.