Home / 20,390,035.26-28,138,247.08-11,097,671.93

Finding the Fourth Proportional to 20,390,035.26, 28,138,247.08 and 11,097,671.93

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Solution

The fourth proportional to 20,390,035.26, 28,138,247.08 and 11,097,671.93 is: 15,314,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,390,035.26 : 28,138,247.08 = 11,097,671.93 : x
  2. Step 2: Convert to fraction form
    20,390,035.26/28,138,247.08 = 11,097,671.93/x
  3. Step 3: Cross multiply
    20,390,035.26x = 28,138,247.08 × 11,097,671.93
  4. Step 4: Simplify right side
    20,390,035.26x = 312,269,034,610,685.06
  5. Step 5: Solve for x
    x = 312,269,034,610,685.06/20,390,035.26
  6. Step 6: Final answer
    x = 15,314,786.40

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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.