Home / 28,293,421.50-39,044,922.08-15,416,365.50

Finding the Fourth Proportional to 28,293,421.50, 39,044,922.08 and 15,416,365.50

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Solution

The fourth proportional to 28,293,421.50, 39,044,922.08 and 15,416,365.50 is: 21,274,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,421.50 : 39,044,922.08 = 15,416,365.50 : x
  2. Step 2: Convert to fraction form
    28,293,421.50/39,044,922.08 = 15,416,365.50/x
  3. Step 3: Cross multiply
    28,293,421.50x = 39,044,922.08 × 15,416,365.50
  4. Step 4: Simplify right side
    28,293,421.50x = 601,930,789,627,218.50
  5. Step 5: Solve for x
    x = 601,930,789,627,218.50/28,293,421.50
  6. Step 6: Final answer
    x = 21,274,584.61

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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.