Home / 20,378,082.90-30,567,124.35-13,575,638.10

Finding the Fourth Proportional to 20,378,082.90, 30,567,124.35 and 13,575,638.10

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Solution

The fourth proportional to 20,378,082.90, 30,567,124.35 and 13,575,638.10 is: 20,363,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,378,082.90 : 30,567,124.35 = 13,575,638.10 : x
  2. Step 2: Convert to fraction form
    20,378,082.90/30,567,124.35 = 13,575,638.10/x
  3. Step 3: Cross multiply
    20,378,082.90x = 30,567,124.35 × 13,575,638.10
  4. Step 4: Simplify right side
    20,378,082.90x = 414,968,217,933,297.75
  5. Step 5: Solve for x
    x = 414,968,217,933,297.75/20,378,082.90
  6. Step 6: Final answer
    x = 20,363,457.15

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1.5x scale

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.