Home / 20,973,447.06-31,460,172.87-6,400,443

Finding the Fourth Proportional to 20,973,447.06, 31,460,172.87 and 6,400,443

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Solution

The fourth proportional to 20,973,447.06, 31,460,172.87 and 6,400,443 is: 9,600,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973,447.06 : 31,460,172.87 = 6,400,443 : x
  2. Step 2: Convert to fraction form
    20,973,447.06/31,460,172.87 = 6,400,443/x
  3. Step 3: Cross multiply
    20,973,447.06x = 31,460,172.87 × 6,400,443
  4. Step 4: Simplify right side
    20,973,447.06x = 201,359,043,224,581.41
  5. Step 5: Solve for x
    x = 201,359,043,224,581.41/20,973,447.06
  6. Step 6: Final answer
    x = 9,600,665.20

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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.