Home / 13,356,119.03-20,037,632.65-7,821,328.95

Finding the Fourth Proportional to 13,356,119.03, 20,037,632.65 and 7,821,328.95

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Solution

The fourth proportional to 13,356,119.03, 20,037,632.65 and 7,821,328.95 is: 11,734,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,119.03 : 20,037,632.65 = 7,821,328.95 : x
  2. Step 2: Convert to fraction form
    13,356,119.03/20,037,632.65 = 7,821,328.95/x
  3. Step 3: Cross multiply
    13,356,119.03x = 20,037,632.65 × 7,821,328.95
  4. Step 4: Simplify right side
    13,356,119.03x = 156,720,916,315,356.91
  5. Step 5: Solve for x
    x = 156,720,916,315,356.91/13,356,119.03
  6. Step 6: Final answer
    x = 11,734,016.15

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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.