Home / 20,005,564.79-27,607,707.43-10,838,207.54

Finding the Fourth Proportional to 20,005,564.79, 27,607,707.43 and 10,838,207.54

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Solution

The fourth proportional to 20,005,564.79, 27,607,707.43 and 10,838,207.54 is: 14,956,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,564.79 : 27,607,707.43 = 10,838,207.54 : x
  2. Step 2: Convert to fraction form
    20,005,564.79/27,607,707.43 = 10,838,207.54/x
  3. Step 3: Cross multiply
    20,005,564.79x = 27,607,707.43 × 10,838,207.54
  4. Step 4: Simplify right side
    20,005,564.79x = 299,218,062,871,863.75
  5. Step 5: Solve for x
    x = 299,218,062,871,863.75/20,005,564.79
  6. Step 6: Final answer
    x = 14,956,741.59

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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.