Home / 18,779,855.90-28,173,825.34-5,825,748.38

Finding the Fourth Proportional to 18,779,855.90, 28,173,825.34 and 5,825,748.38

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Solution

The fourth proportional to 18,779,855.90, 28,173,825.34 and 5,825,748.38 is: 8,739,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,855.90 : 28,173,825.34 = 5,825,748.38 : x
  2. Step 2: Convert to fraction form
    18,779,855.90/28,173,825.34 = 5,825,748.38/x
  3. Step 3: Cross multiply
    18,779,855.90x = 28,173,825.34 × 5,825,748.38
  4. Step 4: Simplify right side
    18,779,855.90x = 164,133,617,332,907.94
  5. Step 5: Solve for x
    x = 164,133,617,332,907.94/18,779,855.90
  6. Step 6: Final answer
    x = 8,739,876.29

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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.