Home / 28,548,506.58-39,396,313.89-15,495,790.74

Finding the Fourth Proportional to 28,548,506.58, 39,396,313.89 and 15,495,790.74

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Solution

The fourth proportional to 28,548,506.58, 39,396,313.89 and 15,495,790.74 is: 21,383,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,506.58 : 39,396,313.89 = 15,495,790.74 : x
  2. Step 2: Convert to fraction form
    28,548,506.58/39,396,313.89 = 15,495,790.74/x
  3. Step 3: Cross multiply
    28,548,506.58x = 39,396,313.89 × 15,495,790.74
  4. Step 4: Simplify right side
    28,548,506.58x = 610,477,035,966,795.38
  5. Step 5: Solve for x
    x = 610,477,035,966,795.38/28,548,506.58
  6. Step 6: Final answer
    x = 21,383,851.88

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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.