Home / 28,515,654.80-42,768,233.40-17,713,624.40

Finding the Fourth Proportional to 28,515,654.80, 42,768,233.40 and 17,713,624.40

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Solution

The fourth proportional to 28,515,654.80, 42,768,233.40 and 17,713,624.40 is: 26,567,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,654.80 : 42,768,233.40 = 17,713,624.40 : x
  2. Step 2: Convert to fraction form
    28,515,654.80/42,768,233.40 = 17,713,624.40/x
  3. Step 3: Cross multiply
    28,515,654.80x = 42,768,233.40 × 17,713,624.40
  4. Step 4: Simplify right side
    28,515,654.80x = 757,580,422,699,134.88
  5. Step 5: Solve for x
    x = 757,580,422,699,134.88/28,515,654.80
  6. Step 6: Final answer
    x = 26,567,176.10

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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.