Home / 30,417,619.50-45,632,149.64-12,223,257.11

Finding the Fourth Proportional to 30,417,619.50, 45,632,149.64 and 12,223,257.11

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Solution

The fourth proportional to 30,417,619.50, 45,632,149.64 and 12,223,257.11 is: 18,337,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417,619.50 : 45,632,149.64 = 12,223,257.11 : x
  2. Step 2: Convert to fraction form
    30,417,619.50/45,632,149.64 = 12,223,257.11/x
  3. Step 3: Cross multiply
    30,417,619.50x = 45,632,149.64 × 12,223,257.11
  4. Step 4: Simplify right side
    30,417,619.50x = 557,773,497,459,394.75
  5. Step 5: Solve for x
    x = 557,773,497,459,394.75/30,417,619.50
  6. Step 6: Final answer
    x = 18,337,184.39

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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.