Home / 20,322,327.60-28,044,838.58-11,029,897.17

Finding the Fourth Proportional to 20,322,327.60, 28,044,838.58 and 11,029,897.17

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Solution

The fourth proportional to 20,322,327.60, 28,044,838.58 and 11,029,897.17 is: 15,221,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322,327.60 : 28,044,838.58 = 11,029,897.17 : x
  2. Step 2: Convert to fraction form
    20,322,327.60/28,044,838.58 = 11,029,897.17/x
  3. Step 3: Cross multiply
    20,322,327.60x = 28,044,838.58 × 11,029,897.17
  4. Step 4: Simplify right side
    20,322,327.60x = 309,331,685,631,499.31
  5. Step 5: Solve for x
    x = 309,331,685,631,499.31/20,322,327.60
  6. Step 6: Final answer
    x = 15,221,272.47

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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.