Home / 30,459,620.80-45,703,381.53-13,193,102.71

Finding the Fourth Proportional to 30,459,620.80, 45,703,381.53 and 13,193,102.71

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Solution

The fourth proportional to 30,459,620.80, 45,703,381.53 and 13,193,102.71 is: 19,795,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,459,620.80 : 45,703,381.53 = 13,193,102.71 : x
  2. Step 2: Convert to fraction form
    30,459,620.80/45,703,381.53 = 13,193,102.71/x
  3. Step 3: Cross multiply
    30,459,620.80x = 45,703,381.53 × 13,193,102.71
  4. Step 4: Simplify right side
    30,459,620.80x = 602,969,406,719,607
  5. Step 5: Solve for x
    x = 602,969,406,719,607/30,459,620.80
  6. Step 6: Final answer
    x = 19,795,696.43

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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.