Home / 18,926,584.34-28,390,514.38-5,280,063.98

Finding the Fourth Proportional to 18,926,584.34, 28,390,514.38 and 5,280,063.98

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Solution

The fourth proportional to 18,926,584.34, 28,390,514.38 and 5,280,063.98 is: 7,920,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926,584.34 : 28,390,514.38 = 5,280,063.98 : x
  2. Step 2: Convert to fraction form
    18,926,584.34/28,390,514.38 = 5,280,063.98/x
  3. Step 3: Cross multiply
    18,926,584.34x = 28,390,514.38 × 5,280,063.98
  4. Step 4: Simplify right side
    18,926,584.34x = 149,903,732,196,357.31
  5. Step 5: Solve for x
    x = 149,903,732,196,357.31/18,926,584.34
  6. Step 6: Final answer
    x = 7,920,273.91

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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.