Home / 20,597,349.60-28,425,673.74-11,429,992.32

Finding the Fourth Proportional to 20,597,349.60, 28,425,673.74 and 11,429,992.32

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Solution

The fourth proportional to 20,597,349.60, 28,425,673.74 and 11,429,992.32 is: 15,774,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597,349.60 : 28,425,673.74 = 11,429,992.32 : x
  2. Step 2: Convert to fraction form
    20,597,349.60/28,425,673.74 = 11,429,992.32/x
  3. Step 3: Cross multiply
    20,597,349.60x = 28,425,673.74 × 11,429,992.32
  4. Step 4: Simplify right side
    20,597,349.60x = 324,905,232,539,025.69
  5. Step 5: Solve for x
    x = 324,905,232,539,025.69/20,597,349.60
  6. Step 6: Final answer
    x = 15,774,128.17

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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.