Home / 13,037,990.40-19,549,209.60-7,992,921.60

Finding the Fourth Proportional to 13,037,990.40, 19,549,209.60 and 7,992,921.60

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Solution

The fourth proportional to 13,037,990.40, 19,549,209.60 and 7,992,921.60 is: 11,984,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,990.40 : 19,549,209.60 = 7,992,921.60 : x
  2. Step 2: Convert to fraction form
    13,037,990.40/19,549,209.60 = 7,992,921.60/x
  3. Step 3: Cross multiply
    13,037,990.40x = 19,549,209.60 × 7,992,921.60
  4. Step 4: Simplify right side
    13,037,990.40x = 156,255,299,674,767.38
  5. Step 5: Solve for x
    x = 156,255,299,674,767.38/13,037,990.40
  6. Step 6: Final answer
    x = 11,984,615.33

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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.