Home / 20,110,402.47-30,174,881-9,183,941.64

Finding the Fourth Proportional to 20,110,402.47, 30,174,881 and 9,183,941.64

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Solution

The fourth proportional to 20,110,402.47, 30,174,881 and 9,183,941.64 is: 13,780,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,402.47 : 30,174,881 = 9,183,941.64 : x
  2. Step 2: Convert to fraction form
    20,110,402.47/30,174,881 = 9,183,941.64/x
  3. Step 3: Cross multiply
    20,110,402.47x = 30,174,881 × 9,183,941.64
  4. Step 4: Simplify right side
    20,110,402.47x = 277,124,346,097,944.84
  5. Step 5: Solve for x
    x = 277,124,346,097,944.84/20,110,402.47
  6. Step 6: Final answer
    x = 13,780,149.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.