Home / 19,879,918.78-29,823,033.93-6,413,597.50

Finding the Fourth Proportional to 19,879,918.78, 29,823,033.93 and 6,413,597.50

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Solution

The fourth proportional to 19,879,918.78, 29,823,033.93 and 6,413,597.50 is: 9,621,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,918.78 : 29,823,033.93 = 6,413,597.50 : x
  2. Step 2: Convert to fraction form
    19,879,918.78/29,823,033.93 = 6,413,597.50/x
  3. Step 3: Cross multiply
    19,879,918.78x = 29,823,033.93 × 6,413,597.50
  4. Step 4: Simplify right side
    19,879,918.78x = 191,272,935,855,863.19
  5. Step 5: Solve for x
    x = 191,272,935,855,863.19/19,879,918.78
  6. Step 6: Final answer
    x = 9,621,414.35

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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.