Home / 20,019,148.56-30,017,918.67-9,083,370.64

Finding the Fourth Proportional to 20,019,148.56, 30,017,918.67 and 9,083,370.64

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Solution

The fourth proportional to 20,019,148.56, 30,017,918.67 and 9,083,370.64 is: 13,620,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,148.56 : 30,017,918.67 = 9,083,370.64 : x
  2. Step 2: Convert to fraction form
    20,019,148.56/30,017,918.67 = 9,083,370.64/x
  3. Step 3: Cross multiply
    20,019,148.56x = 30,017,918.67 × 9,083,370.64
  4. Step 4: Simplify right side
    20,019,148.56x = 272,663,881,120,985.88
  5. Step 5: Solve for x
    x = 272,663,881,120,985.88/20,019,148.56
  6. Step 6: Final answer
    x = 13,620,153.74

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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.