Home / 30,164,909.70-45,247,364.55-11,973,443.70

Finding the Fourth Proportional to 30,164,909.70, 45,247,364.55 and 11,973,443.70

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Solution

The fourth proportional to 30,164,909.70, 45,247,364.55 and 11,973,443.70 is: 17,960,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164,909.70 : 45,247,364.55 = 11,973,443.70 : x
  2. Step 2: Convert to fraction form
    30,164,909.70/45,247,364.55 = 11,973,443.70/x
  3. Step 3: Cross multiply
    30,164,909.70x = 45,247,364.55 × 11,973,443.70
  4. Step 4: Simplify right side
    30,164,909.70x = 541,766,772,012,800.75
  5. Step 5: Solve for x
    x = 541,766,772,012,800.75/30,164,909.70
  6. Step 6: Final answer
    x = 17,960,165.55

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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.