Home / 30,241,011.70-45,367,422.45-12,042,109.90

Finding the Fourth Proportional to 30,241,011.70, 45,367,422.45 and 12,042,109.90

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Solution

The fourth proportional to 30,241,011.70, 45,367,422.45 and 12,042,109.90 is: 18,065,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241,011.70 : 45,367,422.45 = 12,042,109.90 : x
  2. Step 2: Convert to fraction form
    30,241,011.70/45,367,422.45 = 12,042,109.90/x
  3. Step 3: Cross multiply
    30,241,011.70x = 45,367,422.45 × 12,042,109.90
  4. Step 4: Simplify right side
    30,241,011.70x = 546,319,487,022,627.31
  5. Step 5: Solve for x
    x = 546,319,487,022,627.31/30,241,011.70
  6. Step 6: Final answer
    x = 18,065,516.21

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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.