Home / 20,315,009.36-28,034,697.84-11,613,373.76

Finding the Fourth Proportional to 20,315,009.36, 28,034,697.84 and 11,613,373.76

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Solution

The fourth proportional to 20,315,009.36, 28,034,697.84 and 11,613,373.76 is: 16,026,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,315,009.36 : 28,034,697.84 = 11,613,373.76 : x
  2. Step 2: Convert to fraction form
    20,315,009.36/28,034,697.84 = 11,613,373.76/x
  3. Step 3: Cross multiply
    20,315,009.36x = 28,034,697.84 × 11,613,373.76
  4. Step 4: Simplify right side
    20,315,009.36x = 325,577,424,264,584.69
  5. Step 5: Solve for x
    x = 325,577,424,264,584.69/20,315,009.36
  6. Step 6: Final answer
    x = 16,026,447.17

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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.