Home / 15,036,530.88-20,750,611.68-8,161,095.36

Finding the Fourth Proportional to 15,036,530.88, 20,750,611.68 and 8,161,095.36

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Solution

The fourth proportional to 15,036,530.88, 20,750,611.68 and 8,161,095.36 is: 11,262,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,530.88 : 20,750,611.68 = 8,161,095.36 : x
  2. Step 2: Convert to fraction form
    15,036,530.88/20,750,611.68 = 8,161,095.36/x
  3. Step 3: Cross multiply
    15,036,530.88x = 20,750,611.68 × 8,161,095.36
  4. Step 4: Simplify right side
    15,036,530.88x = 169,347,720,698,809.81
  5. Step 5: Solve for x
    x = 169,347,720,698,809.81/15,036,530.88
  6. Step 6: Final answer
    x = 11,262,419.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.