Home / 13,307,999.60-19,971,330.60-5,740,396.40

Finding the Fourth Proportional to 13,307,999.60, 19,971,330.60 and 5,740,396.40

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Solution

The fourth proportional to 13,307,999.60, 19,971,330.60 and 5,740,396.40 is: 8,614,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,999.60 : 19,971,330.60 = 5,740,396.40 : x
  2. Step 2: Convert to fraction form
    13,307,999.60/19,971,330.60 = 5,740,396.40/x
  3. Step 3: Cross multiply
    13,307,999.60x = 19,971,330.60 × 5,740,396.40
  4. Step 4: Simplify right side
    13,307,999.60x = 114,643,354,279,449.86
  5. Step 5: Solve for x
    x = 114,643,354,279,449.86/13,307,999.60
  6. Step 6: Final answer
    x = 8,614,619.61

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1.5x scale

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.