Home / 13,437,048.70-20,155,573.05-7,369,435.90

Finding the Fourth Proportional to 13,437,048.70, 20,155,573.05 and 7,369,435.90

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Solution

The fourth proportional to 13,437,048.70, 20,155,573.05 and 7,369,435.90 is: 11,054,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,048.70 : 20,155,573.05 = 7,369,435.90 : x
  2. Step 2: Convert to fraction form
    13,437,048.70/20,155,573.05 = 7,369,435.90/x
  3. Step 3: Cross multiply
    13,437,048.70x = 20,155,573.05 × 7,369,435.90
  4. Step 4: Simplify right side
    13,437,048.70x = 148,535,203,619,742.50
  5. Step 5: Solve for x
    x = 148,535,203,619,742.50/13,437,048.70
  6. Step 6: Final answer
    x = 11,054,153.85

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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.