Home / 14,959,707.70-20,643,506.68-8,679,748.54

Finding the Fourth Proportional to 14,959,707.70, 20,643,506.68 and 8,679,748.54

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Solution

The fourth proportional to 14,959,707.70, 20,643,506.68 and 8,679,748.54 is: 11,977,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959,707.70 : 20,643,506.68 = 8,679,748.54 : x
  2. Step 2: Convert to fraction form
    14,959,707.70/20,643,506.68 = 8,679,748.54/x
  3. Step 3: Cross multiply
    14,959,707.70x = 20,643,506.68 × 8,679,748.54
  4. Step 4: Simplify right side
    14,959,707.70x = 179,180,446,966,210.22
  5. Step 5: Solve for x
    x = 179,180,446,966,210.22/14,959,707.70
  6. Step 6: Final answer
    x = 11,977,536.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.