Home / 15,779,383.40-21,775,337.37-8,810,168

Finding the Fourth Proportional to 15,779,383.40, 21,775,337.37 and 8,810,168

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Solution

The fourth proportional to 15,779,383.40, 21,775,337.37 and 8,810,168 is: 12,157,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,383.40 : 21,775,337.37 = 8,810,168 : x
  2. Step 2: Convert to fraction form
    15,779,383.40/21,775,337.37 = 8,810,168/x
  3. Step 3: Cross multiply
    15,779,383.40x = 21,775,337.37 × 8,810,168
  4. Step 4: Simplify right side
    15,779,383.40x = 191,844,380,486,378.16
  5. Step 5: Solve for x
    x = 191,844,380,486,378.16/15,779,383.40
  6. Step 6: Final answer
    x = 12,157,913.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.