Home / 11,909,890.20-16,435,174.14-6,477,386.52

Finding the Fourth Proportional to 11,909,890.20, 16,435,174.14 and 6,477,386.52

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Solution

The fourth proportional to 11,909,890.20, 16,435,174.14 and 6,477,386.52 is: 8,938,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,890.20 : 16,435,174.14 = 6,477,386.52 : x
  2. Step 2: Convert to fraction form
    11,909,890.20/16,435,174.14 = 6,477,386.52/x
  3. Step 3: Cross multiply
    11,909,890.20x = 16,435,174.14 × 6,477,386.52
  4. Step 4: Simplify right side
    11,909,890.20x = 106,456,975,428,288.59
  5. Step 5: Solve for x
    x = 106,456,975,428,288.59/11,909,890.20
  6. Step 6: Final answer
    x = 8,938,535.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.