Home / 19,495,960.40-29,243,940.60-5,118,078.80

Finding the Fourth Proportional to 19,495,960.40, 29,243,940.60 and 5,118,078.80

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Solution

The fourth proportional to 19,495,960.40, 29,243,940.60 and 5,118,078.80 is: 7,677,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495,960.40 : 29,243,940.60 = 5,118,078.80 : x
  2. Step 2: Convert to fraction form
    19,495,960.40/29,243,940.60 = 5,118,078.80/x
  3. Step 3: Cross multiply
    19,495,960.40x = 29,243,940.60 × 5,118,078.80
  4. Step 4: Simplify right side
    19,495,960.40x = 149,672,792,413,319.28
  5. Step 5: Solve for x
    x = 149,672,792,413,319.28/19,495,960.40
  6. Step 6: Final answer
    x = 7,677,118.20

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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.