Home / 13,438,803.80-20,158,205.70-4,925,250.20

Finding the Fourth Proportional to 13,438,803.80, 20,158,205.70 and 4,925,250.20

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Solution

The fourth proportional to 13,438,803.80, 20,158,205.70 and 4,925,250.20 is: 7,387,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,803.80 : 20,158,205.70 = 4,925,250.20 : x
  2. Step 2: Convert to fraction form
    13,438,803.80/20,158,205.70 = 4,925,250.20/x
  3. Step 3: Cross multiply
    13,438,803.80x = 20,158,205.70 × 4,925,250.20
  4. Step 4: Simplify right side
    13,438,803.80x = 99,284,206,655,566.14
  5. Step 5: Solve for x
    x = 99,284,206,655,566.14/13,438,803.80
  6. Step 6: Final answer
    x = 7,387,875.30

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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.