Home / 28,035,588.76-38,691,054.58-15,648,098.86

Finding the Fourth Proportional to 28,035,588.76, 38,691,054.58 and 15,648,098.86

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Solution

The fourth proportional to 28,035,588.76, 38,691,054.58 and 15,648,098.86 is: 21,595,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035,588.76 : 38,691,054.58 = 15,648,098.86 : x
  2. Step 2: Convert to fraction form
    28,035,588.76/38,691,054.58 = 15,648,098.86/x
  3. Step 3: Cross multiply
    28,035,588.76x = 38,691,054.58 × 15,648,098.86
  4. Step 4: Simplify right side
    28,035,588.76x = 605,441,447,065,495.75
  5. Step 5: Solve for x
    x = 605,441,447,065,495.75/28,035,588.76
  6. Step 6: Final answer
    x = 21,595,460.41

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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.