Home / 19,708,724.28-27,000,500.44-18,971,867.94

Finding the Fourth Proportional to 19,708,724.28, 27,000,500.44 and 18,971,867.94

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Solution

The fourth proportional to 19,708,724.28, 27,000,500.44 and 18,971,867.94 is: 25,991,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708,724.28 : 27,000,500.44 = 18,971,867.94 : x
  2. Step 2: Convert to fraction form
    19,708,724.28/27,000,500.44 = 18,971,867.94/x
  3. Step 3: Cross multiply
    19,708,724.28x = 27,000,500.44 × 18,971,867.94
  4. Step 4: Simplify right side
    19,708,724.28x = 512,249,928,661,591.94
  5. Step 5: Solve for x
    x = 512,249,928,661,591.94/19,708,724.28
  6. Step 6: Final answer
    x = 25,991,024.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.