Home / 30,441,947-45,655,932.98-18,149,388.60

Finding the Fourth Proportional to 30,441,947, 45,655,932.98 and 18,149,388.60

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Solution

The fourth proportional to 30,441,947, 45,655,932.98 and 18,149,388.60 is: 27,219,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441,947 : 45,655,932.98 = 18,149,388.60 : x
  2. Step 2: Convert to fraction form
    30,441,947/45,655,932.98 = 18,149,388.60/x
  3. Step 3: Cross multiply
    30,441,947x = 45,655,932.98 × 18,149,388.60
  4. Step 4: Simplify right side
    30,441,947x = 828,627,269,549,576
  5. Step 5: Solve for x
    x = 828,627,269,549,576/30,441,947
  6. Step 6: Final answer
    x = 27,219,916.96

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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.