Home / 13,037,981.40-19,549,196.10-7,992,912.60

Finding the Fourth Proportional to 13,037,981.40, 19,549,196.10 and 7,992,912.60

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Solution

The fourth proportional to 13,037,981.40, 19,549,196.10 and 7,992,912.60 is: 11,984,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,981.40 : 19,549,196.10 = 7,992,912.60 : x
  2. Step 2: Convert to fraction form
    13,037,981.40/19,549,196.10 = 7,992,912.60/x
  3. Step 3: Cross multiply
    13,037,981.40x = 19,549,196.10 × 7,992,912.60
  4. Step 4: Simplify right side
    13,037,981.40x = 156,255,015,827,560.88
  5. Step 5: Solve for x
    x = 156,255,015,827,560.88/13,037,981.40
  6. Step 6: Final answer
    x = 11,984,601.84

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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.