Home / 21,355,092.16-29,469,880.80-11,565,311.20

Finding the Fourth Proportional to 21,355,092.16, 29,469,880.80 and 11,565,311.20

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Solution

The fourth proportional to 21,355,092.16, 29,469,880.80 and 11,565,311.20 is: 15,960,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,092.16 : 29,469,880.80 = 11,565,311.20 : x
  2. Step 2: Convert to fraction form
    21,355,092.16/29,469,880.80 = 11,565,311.20/x
  3. Step 3: Cross multiply
    21,355,092.16x = 29,469,880.80 × 11,565,311.20
  4. Step 4: Simplify right side
    21,355,092.16x = 340,828,342,478,904.94
  5. Step 5: Solve for x
    x = 340,828,342,478,904.94/21,355,092.16
  6. Step 6: Final answer
    x = 15,960,050.18

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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.