Home / 9,221,645.40-13,836,404.70-4,426,866.60

Finding the Fourth Proportional to 9,221,645.40, 13,836,404.70 and 4,426,866.60

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Solution

The fourth proportional to 9,221,645.40, 13,836,404.70 and 4,426,866.60 is: 6,642,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221,645.40 : 13,836,404.70 = 4,426,866.60 : x
  2. Step 2: Convert to fraction form
    9,221,645.40/13,836,404.70 = 4,426,866.60/x
  3. Step 3: Cross multiply
    9,221,645.40x = 13,836,404.70 × 4,426,866.60
  4. Step 4: Simplify right side
    9,221,645.40x = 61,251,917,830,513.01
  5. Step 5: Solve for x
    x = 61,251,917,830,513.01/9,221,645.40
  6. Step 6: Final answer
    x = 6,642,189.67

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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.