Home / 13,867,928.80-20,804,109.36-4,281,053.92

Finding the Fourth Proportional to 13,867,928.80, 20,804,109.36 and 4,281,053.92

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Solution

The fourth proportional to 13,867,928.80, 20,804,109.36 and 4,281,053.92 is: 6,422,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867,928.80 : 20,804,109.36 = 4,281,053.92 : x
  2. Step 2: Convert to fraction form
    13,867,928.80/20,804,109.36 = 4,281,053.92/x
  3. Step 3: Cross multiply
    13,867,928.80x = 20,804,109.36 × 4,281,053.92
  4. Step 4: Simplify right side
    13,867,928.80x = 89,063,513,927,736.69
  5. Step 5: Solve for x
    x = 89,063,513,927,736.69/13,867,928.80
  6. Step 6: Final answer
    x = 6,422,265.01

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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.