Home / 11,814,303.60-17,721,455.40-7,987,928.40

Finding the Fourth Proportional to 11,814,303.60, 17,721,455.40 and 7,987,928.40

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Solution

The fourth proportional to 11,814,303.60, 17,721,455.40 and 7,987,928.40 is: 11,981,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814,303.60 : 17,721,455.40 = 7,987,928.40 : x
  2. Step 2: Convert to fraction form
    11,814,303.60/17,721,455.40 = 7,987,928.40/x
  3. Step 3: Cross multiply
    11,814,303.60x = 17,721,455.40 × 7,987,928.40
  4. Step 4: Simplify right side
    11,814,303.60x = 141,557,716,878,993.34
  5. Step 5: Solve for x
    x = 141,557,716,878,993.34/11,814,303.60
  6. Step 6: Final answer
    x = 11,981,892.60

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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.