Home / 31,270,656.32-46,959,241.44-20,359,419.20

Finding the Fourth Proportional to 31,270,656.32, 46,959,241.44 and 20,359,419.20

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Solution

The fourth proportional to 31,270,656.32, 46,959,241.44 and 20,359,419.20 is: 30,573,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270,656.32 : 46,959,241.44 = 20,359,419.20 : x
  2. Step 2: Convert to fraction form
    31,270,656.32/46,959,241.44 = 20,359,419.20/x
  3. Step 3: Cross multiply
    31,270,656.32x = 46,959,241.44 × 20,359,419.20
  4. Step 4: Simplify right side
    31,270,656.32x = 956,062,881,790,971.62
  5. Step 5: Solve for x
    x = 956,062,881,790,971.62/31,270,656.32
  6. Step 6: Final answer
    x = 30,573,802.87

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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.