Home / 13,628,640.07-20,438,536.65-4,528,293.76

Finding the Fourth Proportional to 13,628,640.07, 20,438,536.65 and 4,528,293.76

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Solution

The fourth proportional to 13,628,640.07, 20,438,536.65 and 4,528,293.76 is: 6,790,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,640.07 : 20,438,536.65 = 4,528,293.76 : x
  2. Step 2: Convert to fraction form
    13,628,640.07/20,438,536.65 = 4,528,293.76/x
  3. Step 3: Cross multiply
    13,628,640.07x = 20,438,536.65 × 4,528,293.76
  4. Step 4: Simplify right side
    13,628,640.07x = 92,551,697,975,726.30
  5. Step 5: Solve for x
    x = 92,551,697,975,726.30/13,628,640.07
  6. Step 6: Final answer
    x = 6,790,970.89

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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.