Home / 13,364,492.80-20,046,739.20-7,702,182.40

Finding the Fourth Proportional to 13,364,492.80, 20,046,739.20 and 7,702,182.40

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Solution

The fourth proportional to 13,364,492.80, 20,046,739.20 and 7,702,182.40 is: 11,553,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364,492.80 : 20,046,739.20 = 7,702,182.40 : x
  2. Step 2: Convert to fraction form
    13,364,492.80/20,046,739.20 = 7,702,182.40/x
  3. Step 3: Cross multiply
    13,364,492.80x = 20,046,739.20 × 7,702,182.40
  4. Step 4: Simplify right side
    13,364,492.80x = 154,403,641,843,630.09
  5. Step 5: Solve for x
    x = 154,403,641,843,630.09/13,364,492.80
  6. Step 6: Final answer
    x = 11,553,273.60

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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.