Home / 44,619,231.40-66,931,921.80-18,685,421.12

Finding the Fourth Proportional to 44,619,231.40, 66,931,921.80 and 18,685,421.12

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Solution

The fourth proportional to 44,619,231.40, 66,931,921.80 and 18,685,421.12 is: 28,029,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,619,231.40 : 66,931,921.80 = 18,685,421.12 : x
  2. Step 2: Convert to fraction form
    44,619,231.40/66,931,921.80 = 18,685,421.12/x
  3. Step 3: Cross multiply
    44,619,231.40x = 66,931,921.80 × 18,685,421.12
  4. Step 4: Simplify right side
    44,619,231.40x = 1,250,651,145,371,238
  5. Step 5: Solve for x
    x = 1,250,651,145,371,238/44,619,231.40
  6. Step 6: Final answer
    x = 28,029,419.29

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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.