Home / 15,077,664.48-20,819,743.14-13,983,561.84

Finding the Fourth Proportional to 15,077,664.48, 20,819,743.14 and 13,983,561.84

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Solution

The fourth proportional to 15,077,664.48, 20,819,743.14 and 13,983,561.84 is: 19,308,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077,664.48 : 20,819,743.14 = 13,983,561.84 : x
  2. Step 2: Convert to fraction form
    15,077,664.48/20,819,743.14 = 13,983,561.84/x
  3. Step 3: Cross multiply
    15,077,664.48x = 20,819,743.14 × 13,983,561.84
  4. Step 4: Simplify right side
    15,077,664.48x = 291,134,165,691,105.81
  5. Step 5: Solve for x
    x = 291,134,165,691,105.81/15,077,664.48
  6. Step 6: Final answer
    x = 19,308,969.64

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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.