Home / 30,240,905.70-45,367,263.45-12,042,003.90

Finding the Fourth Proportional to 30,240,905.70, 45,367,263.45 and 12,042,003.90

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Solution

The fourth proportional to 30,240,905.70, 45,367,263.45 and 12,042,003.90 is: 18,065,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,905.70 : 45,367,263.45 = 12,042,003.90 : x
  2. Step 2: Convert to fraction form
    30,240,905.70/45,367,263.45 = 12,042,003.90/x
  3. Step 3: Cross multiply
    30,240,905.70x = 45,367,263.45 × 12,042,003.90
  4. Step 4: Simplify right side
    30,240,905.70x = 546,312,763,397,227.50
  5. Step 5: Solve for x
    x = 546,312,763,397,227.50/30,240,905.70
  6. Step 6: Final answer
    x = 18,065,357.20

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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.