Home / 19,160,425.65-28,741,045.62-6,865,189.81

Finding the Fourth Proportional to 19,160,425.65, 28,741,045.62 and 6,865,189.81

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Solution

The fourth proportional to 19,160,425.65, 28,741,045.62 and 6,865,189.81 is: 10,297,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160,425.65 : 28,741,045.62 = 6,865,189.81 : x
  2. Step 2: Convert to fraction form
    19,160,425.65/28,741,045.62 = 6,865,189.81/x
  3. Step 3: Cross multiply
    19,160,425.65x = 28,741,045.62 × 6,865,189.81
  4. Step 4: Simplify right side
    19,160,425.65x = 197,312,733,634,729.38
  5. Step 5: Solve for x
    x = 197,312,733,634,729.38/19,160,425.65
  6. Step 6: Final answer
    x = 10,297,930.60

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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.