Home / 20,476,482.48-30,714,807.78-5,123,730.42

Finding the Fourth Proportional to 20,476,482.48, 30,714,807.78 and 5,123,730.42

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Solution

The fourth proportional to 20,476,482.48, 30,714,807.78 and 5,123,730.42 is: 7,685,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,482.48 : 30,714,807.78 = 5,123,730.42 : x
  2. Step 2: Convert to fraction form
    20,476,482.48/30,714,807.78 = 5,123,730.42/x
  3. Step 3: Cross multiply
    20,476,482.48x = 30,714,807.78 × 5,123,730.42
  4. Step 4: Simplify right side
    20,476,482.48x = 157,374,394,966,838.66
  5. Step 5: Solve for x
    x = 157,374,394,966,838.66/20,476,482.48
  6. Step 6: Final answer
    x = 7,685,616.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.