Home / 19,681,872.20-27,160,995.18-10,980,044.84

Finding the Fourth Proportional to 19,681,872.20, 27,160,995.18 and 10,980,044.84

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Solution

The fourth proportional to 19,681,872.20, 27,160,995.18 and 10,980,044.84 is: 15,152,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,872.20 : 27,160,995.18 = 10,980,044.84 : x
  2. Step 2: Convert to fraction form
    19,681,872.20/27,160,995.18 = 10,980,044.84/x
  3. Step 3: Cross multiply
    19,681,872.20x = 27,160,995.18 × 10,980,044.84
  4. Step 4: Simplify right side
    19,681,872.20x = 298,228,944,975,423.88
  5. Step 5: Solve for x
    x = 298,228,944,975,423.88/19,681,872.20
  6. Step 6: Final answer
    x = 15,152,468.32

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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.