Home / 15,572,779.25-21,489,780.83-8,956,868.09

Finding the Fourth Proportional to 15,572,779.25, 21,489,780.83 and 8,956,868.09

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Solution

The fourth proportional to 15,572,779.25, 21,489,780.83 and 8,956,868.09 is: 12,360,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572,779.25 : 21,489,780.83 = 8,956,868.09 : x
  2. Step 2: Convert to fraction form
    15,572,779.25/21,489,780.83 = 8,956,868.09/x
  3. Step 3: Cross multiply
    15,572,779.25x = 21,489,780.83 × 8,956,868.09
  4. Step 4: Simplify right side
    15,572,779.25x = 192,481,132,025,087.47
  5. Step 5: Solve for x
    x = 192,481,132,025,087.47/15,572,779.25
  6. Step 6: Final answer
    x = 12,360,101.49

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1.5x scale

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.