Home / 15,513,563.10-23,270,344.65-13,122,078.60

Finding the Fourth Proportional to 15,513,563.10, 23,270,344.65 and 13,122,078.60

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Solution

The fourth proportional to 15,513,563.10, 23,270,344.65 and 13,122,078.60 is: 19,683,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513,563.10 : 23,270,344.65 = 13,122,078.60 : x
  2. Step 2: Convert to fraction form
    15,513,563.10/23,270,344.65 = 13,122,078.60/x
  3. Step 3: Cross multiply
    15,513,563.10x = 23,270,344.65 × 13,122,078.60
  4. Step 4: Simplify right side
    15,513,563.10x = 305,355,291,546,389.44
  5. Step 5: Solve for x
    x = 305,355,291,546,389.44/15,513,563.10
  6. Step 6: Final answer
    x = 19,683,117.90

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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.