Home / 20,437,281.48-30,621,219.36-12,333,228.36

Finding the Fourth Proportional to 20,437,281.48, 30,621,219.36 and 12,333,228.36

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Solution

The fourth proportional to 20,437,281.48, 30,621,219.36 and 12,333,228.36 is: 18,478,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,281.48 : 30,621,219.36 = 12,333,228.36 : x
  2. Step 2: Convert to fraction form
    20,437,281.48/30,621,219.36 = 12,333,228.36/x
  3. Step 3: Cross multiply
    20,437,281.48x = 30,621,219.36 × 12,333,228.36
  4. Step 4: Simplify right side
    20,437,281.48x = 377,658,491,028,533
  5. Step 5: Solve for x
    x = 377,658,491,028,533/20,437,281.48
  6. Step 6: Final answer
    x = 18,478,900.50

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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.