Home / 28,045,537.65-42,068,306.48-12,928,993.65

Finding the Fourth Proportional to 28,045,537.65, 42,068,306.48 and 12,928,993.65

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Solution

The fourth proportional to 28,045,537.65, 42,068,306.48 and 12,928,993.65 is: 19,393,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,537.65 : 42,068,306.48 = 12,928,993.65 : x
  2. Step 2: Convert to fraction form
    28,045,537.65/42,068,306.48 = 12,928,993.65/x
  3. Step 3: Cross multiply
    28,045,537.65x = 42,068,306.48 × 12,928,993.65
  4. Step 4: Simplify right side
    28,045,537.65x = 543,900,867,281,528.94
  5. Step 5: Solve for x
    x = 543,900,867,281,528.94/28,045,537.65
  6. Step 6: Final answer
    x = 19,393,490.48

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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.