Home / 28,293,458.34-39,044,972.88-15,416,402.34

Finding the Fourth Proportional to 28,293,458.34, 39,044,972.88 and 15,416,402.34

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Solution

The fourth proportional to 28,293,458.34, 39,044,972.88 and 15,416,402.34 is: 21,274,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,458.34 : 39,044,972.88 = 15,416,402.34 : x
  2. Step 2: Convert to fraction form
    28,293,458.34/39,044,972.88 = 15,416,402.34/x
  3. Step 3: Cross multiply
    28,293,458.34x = 39,044,972.88 × 15,416,402.34
  4. Step 4: Simplify right side
    28,293,458.34x = 601,933,011,272,468.62
  5. Step 5: Solve for x
    x = 601,933,011,272,468.62/28,293,458.34
  6. Step 6: Final answer
    x = 21,274,635.43

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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.