Home / 28,406,842.50-42,616,578.54-13,252,507.14

Finding the Fourth Proportional to 28,406,842.50, 42,616,578.54 and 13,252,507.14

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Solution

The fourth proportional to 28,406,842.50, 42,616,578.54 and 13,252,507.14 is: 19,881,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406,842.50 : 42,616,578.54 = 13,252,507.14 : x
  2. Step 2: Convert to fraction form
    28,406,842.50/42,616,578.54 = 13,252,507.14/x
  3. Step 3: Cross multiply
    28,406,842.50x = 42,616,578.54 × 13,252,507.14
  4. Step 4: Simplify right side
    28,406,842.50x = 564,776,511,383,720.75
  5. Step 5: Solve for x
    x = 564,776,511,383,720.75/28,406,842.50
  6. Step 6: Final answer
    x = 19,881,706.72

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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.