Home / 12,997,995.64-19,488,491.70-12,284,262.52

Finding the Fourth Proportional to 12,997,995.64, 19,488,491.70 and 12,284,262.52

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Solution

The fourth proportional to 12,997,995.64, 19,488,491.70 and 12,284,262.52 is: 18,418,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,995.64 : 19,488,491.70 = 12,284,262.52 : x
  2. Step 2: Convert to fraction form
    12,997,995.64/19,488,491.70 = 12,284,262.52/x
  3. Step 3: Cross multiply
    12,997,995.64x = 19,488,491.70 × 12,284,262.52
  4. Step 4: Simplify right side
    12,997,995.64x = 239,401,748,161,641.06
  5. Step 5: Solve for x
    x = 239,401,748,161,641.06/12,997,995.64
  6. Step 6: Final answer
    x = 18,418,358.86

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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.