Home / 20,183,708.04-27,851,720.64-11,242,133.76

Finding the Fourth Proportional to 20,183,708.04, 27,851,720.64 and 11,242,133.76

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Solution

The fourth proportional to 20,183,708.04, 27,851,720.64 and 11,242,133.76 is: 15,513,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183,708.04 : 27,851,720.64 = 11,242,133.76 : x
  2. Step 2: Convert to fraction form
    20,183,708.04/27,851,720.64 = 11,242,133.76/x
  3. Step 3: Cross multiply
    20,183,708.04x = 27,851,720.64 × 11,242,133.76
  4. Step 4: Simplify right side
    20,183,708.04x = 313,112,768,881,032.81
  5. Step 5: Solve for x
    x = 313,112,768,881,032.81/20,183,708.04
  6. Step 6: Final answer
    x = 15,513,143.98

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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.