Home / 18,779,855.88-28,173,825.32-5,825,748.36

Finding the Fourth Proportional to 18,779,855.88, 28,173,825.32 and 5,825,748.36

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Solution

The fourth proportional to 18,779,855.88, 28,173,825.32 and 5,825,748.36 is: 8,739,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,855.88 : 28,173,825.32 = 5,825,748.36 : x
  2. Step 2: Convert to fraction form
    18,779,855.88/28,173,825.32 = 5,825,748.36/x
  3. Step 3: Cross multiply
    18,779,855.88x = 28,173,825.32 × 5,825,748.36
  4. Step 4: Simplify right side
    18,779,855.88x = 164,133,616,652,916.50
  5. Step 5: Solve for x
    x = 164,133,616,652,916.50/18,779,855.88
  6. Step 6: Final answer
    x = 8,739,876.26

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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.