Home / 12,734,803.80-19,102,205.70-7,632,970.20

Finding the Fourth Proportional to 12,734,803.80, 19,102,205.70 and 7,632,970.20

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Solution

The fourth proportional to 12,734,803.80, 19,102,205.70 and 7,632,970.20 is: 11,449,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734,803.80 : 19,102,205.70 = 7,632,970.20 : x
  2. Step 2: Convert to fraction form
    12,734,803.80/19,102,205.70 = 7,632,970.20/x
  3. Step 3: Cross multiply
    12,734,803.80x = 19,102,205.70 × 7,632,970.20
  4. Step 4: Simplify right side
    12,734,803.80x = 145,806,566,862,370.12
  5. Step 5: Solve for x
    x = 145,806,566,862,370.12/12,734,803.80
  6. Step 6: Final answer
    x = 11,449,455.30

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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.