Home / 12,648,180.80-18,961,639.68-10,246,068.48

Finding the Fourth Proportional to 12,648,180.80, 18,961,639.68 and 10,246,068.48

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Solution

The fourth proportional to 12,648,180.80, 18,961,639.68 and 10,246,068.48 is: 15,360,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,180.80 : 18,961,639.68 = 10,246,068.48 : x
  2. Step 2: Convert to fraction form
    12,648,180.80/18,961,639.68 = 10,246,068.48/x
  3. Step 3: Cross multiply
    12,648,180.80x = 18,961,639.68 × 10,246,068.48
  4. Step 4: Simplify right side
    12,648,180.80x = 194,282,258,654,365.28
  5. Step 5: Solve for x
    x = 194,282,258,654,365.28/12,648,180.80
  6. Step 6: Final answer
    x = 15,360,490.31

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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.