Home / 13,483,012.95-20,224,519.43-7,800,312.15

Finding the Fourth Proportional to 13,483,012.95, 20,224,519.43 and 7,800,312.15

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Solution

The fourth proportional to 13,483,012.95, 20,224,519.43 and 7,800,312.15 is: 11,700,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,012.95 : 20,224,519.43 = 7,800,312.15 : x
  2. Step 2: Convert to fraction form
    13,483,012.95/20,224,519.43 = 7,800,312.15/x
  3. Step 3: Cross multiply
    13,483,012.95x = 20,224,519.43 × 7,800,312.15
  4. Step 4: Simplify right side
    13,483,012.95x = 157,757,564,598,738.53
  5. Step 5: Solve for x
    x = 157,757,564,598,738.53/13,483,012.95
  6. Step 6: Final answer
    x = 11,700,468.23

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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.