Home / 19,164,815.40-28,747,223.10-5,701,643.40

Finding the Fourth Proportional to 19,164,815.40, 28,747,223.10 and 5,701,643.40

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Solution

The fourth proportional to 19,164,815.40, 28,747,223.10 and 5,701,643.40 is: 8,552,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,815.40 : 28,747,223.10 = 5,701,643.40 : x
  2. Step 2: Convert to fraction form
    19,164,815.40/28,747,223.10 = 5,701,643.40/x
  3. Step 3: Cross multiply
    19,164,815.40x = 28,747,223.10 × 5,701,643.40
  4. Step 4: Simplify right side
    19,164,815.40x = 163,906,414,856,442.56
  5. Step 5: Solve for x
    x = 163,906,414,856,442.56/19,164,815.40
  6. Step 6: Final answer
    x = 8,552,465.10

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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.