Home / 13,460,090.90-20,190,136.35-4,939,320.20

Finding the Fourth Proportional to 13,460,090.90, 20,190,136.35 and 4,939,320.20

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Solution

The fourth proportional to 13,460,090.90, 20,190,136.35 and 4,939,320.20 is: 7,408,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,090.90 : 20,190,136.35 = 4,939,320.20 : x
  2. Step 2: Convert to fraction form
    13,460,090.90/20,190,136.35 = 4,939,320.20/x
  3. Step 3: Cross multiply
    13,460,090.90x = 20,190,136.35 × 4,939,320.20
  4. Step 4: Simplify right side
    13,460,090.90x = 99,725,548,314,309.28
  5. Step 5: Solve for x
    x = 99,725,548,314,309.28/13,460,090.90
  6. Step 6: Final answer
    x = 7,408,980.30

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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.