Home / 13,806,900.77-20,713,340.66-5,287,237.34

Finding the Fourth Proportional to 13,806,900.77, 20,713,340.66 and 5,287,237.34

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Solution

The fourth proportional to 13,806,900.77, 20,713,340.66 and 5,287,237.34 is: 7,932,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806,900.77 : 20,713,340.66 = 5,287,237.34 : x
  2. Step 2: Convert to fraction form
    13,806,900.77/20,713,340.66 = 5,287,237.34/x
  3. Step 3: Cross multiply
    13,806,900.77x = 20,713,340.66 × 5,287,237.34
  4. Step 4: Simplify right side
    13,806,900.77x = 109,516,348,043,689.36
  5. Step 5: Solve for x
    x = 109,516,348,043,689.36/13,806,900.77
  6. Step 6: Final answer
    x = 7,932,000.81

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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.