Home / 15,303,421.80-22,955,132.70-13,455,844.20

Finding the Fourth Proportional to 15,303,421.80, 22,955,132.70 and 13,455,844.20

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Solution

The fourth proportional to 15,303,421.80, 22,955,132.70 and 13,455,844.20 is: 20,183,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303,421.80 : 22,955,132.70 = 13,455,844.20 : x
  2. Step 2: Convert to fraction form
    15,303,421.80/22,955,132.70 = 13,455,844.20/x
  3. Step 3: Cross multiply
    15,303,421.80x = 22,955,132.70 × 13,455,844.20
  4. Step 4: Simplify right side
    15,303,421.80x = 308,880,689,201,525.31
  5. Step 5: Solve for x
    x = 308,880,689,201,525.31/15,303,421.80
  6. Step 6: Final answer
    x = 20,183,766.30

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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.