Home / 20,378,075.40-30,567,113.10-13,575,630.60

Finding the Fourth Proportional to 20,378,075.40, 30,567,113.10 and 13,575,630.60

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Solution

The fourth proportional to 20,378,075.40, 30,567,113.10 and 13,575,630.60 is: 20,363,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,378,075.40 : 30,567,113.10 = 13,575,630.60 : x
  2. Step 2: Convert to fraction form
    20,378,075.40/30,567,113.10 = 13,575,630.60/x
  3. Step 3: Cross multiply
    20,378,075.40x = 30,567,113.10 × 13,575,630.60
  4. Step 4: Simplify right side
    20,378,075.40x = 414,967,835,954,020.88
  5. Step 5: Solve for x
    x = 414,967,835,954,020.88/20,378,075.40
  6. Step 6: Final answer
    x = 20,363,445.90

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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.