Home / 30,339,007.80-45,508,511.70-10,144,249.80

Finding the Fourth Proportional to 30,339,007.80, 45,508,511.70 and 10,144,249.80

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Solution

The fourth proportional to 30,339,007.80, 45,508,511.70 and 10,144,249.80 is: 15,216,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339,007.80 : 45,508,511.70 = 10,144,249.80 : x
  2. Step 2: Convert to fraction form
    30,339,007.80/45,508,511.70 = 10,144,249.80/x
  3. Step 3: Cross multiply
    30,339,007.80x = 45,508,511.70 × 10,144,249.80
  4. Step 4: Simplify right side
    30,339,007.80x = 461,649,710,711,022.75
  5. Step 5: Solve for x
    x = 461,649,710,711,022.75/30,339,007.80
  6. Step 6: Final answer
    x = 15,216,374.70

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1.5x scale

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.