Home / 15,249,246.36-21,043,369.73-8,279,764.39

Finding the Fourth Proportional to 15,249,246.36, 21,043,369.73 and 8,279,764.39

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Solution

The fourth proportional to 15,249,246.36, 21,043,369.73 and 8,279,764.39 is: 11,425,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,246.36 : 21,043,369.73 = 8,279,764.39 : x
  2. Step 2: Convert to fraction form
    15,249,246.36/21,043,369.73 = 8,279,764.39/x
  3. Step 3: Cross multiply
    15,249,246.36x = 21,043,369.73 × 8,279,764.39
  4. Step 4: Simplify right side
    15,249,246.36x = 174,234,143,336,057.91
  5. Step 5: Solve for x
    x = 174,234,143,336,057.91/15,249,246.36
  6. Step 6: Final answer
    x = 11,425,754.38

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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.