Home / 30,400,416.60-45,626,429.70-12,462,394.20

Finding the Fourth Proportional to 30,400,416.60, 45,626,429.70 and 12,462,394.20

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Solution

The fourth proportional to 30,400,416.60, 45,626,429.70 and 12,462,394.20 is: 18,704,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400,416.60 : 45,626,429.70 = 12,462,394.20 : x
  2. Step 2: Convert to fraction form
    30,400,416.60/45,626,429.70 = 12,462,394.20/x
  3. Step 3: Cross multiply
    30,400,416.60x = 45,626,429.70 × 12,462,394.20
  4. Step 4: Simplify right side
    30,400,416.60x = 568,614,552,859,987.75
  5. Step 5: Solve for x
    x = 568,614,552,859,987.75/30,400,416.60
  6. Step 6: Final answer
    x = 18,704,169.76

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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.