Home / 13,400,493.48-20,090,940.57-4,297,409.40

Finding the Fourth Proportional to 13,400,493.48, 20,090,940.57 and 4,297,409.40

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Solution

The fourth proportional to 13,400,493.48, 20,090,940.57 and 4,297,409.40 is: 6,442,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,493.48 : 20,090,940.57 = 4,297,409.40 : x
  2. Step 2: Convert to fraction form
    13,400,493.48/20,090,940.57 = 4,297,409.40/x
  3. Step 3: Cross multiply
    13,400,493.48x = 20,090,940.57 × 4,297,409.40
  4. Step 4: Simplify right side
    13,400,493.48x = 86,338,996,860,359.36
  5. Step 5: Solve for x
    x = 86,338,996,860,359.36/13,400,493.48
  6. Step 6: Final answer
    x = 6,442,971.45

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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.