Home / 12,298,814.10-18,448,221.15-5,475,374.10

Finding the Fourth Proportional to 12,298,814.10, 18,448,221.15 and 5,475,374.10

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Solution

The fourth proportional to 12,298,814.10, 18,448,221.15 and 5,475,374.10 is: 8,213,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,814.10 : 18,448,221.15 = 5,475,374.10 : x
  2. Step 2: Convert to fraction form
    12,298,814.10/18,448,221.15 = 5,475,374.10/x
  3. Step 3: Cross multiply
    12,298,814.10x = 18,448,221.15 × 5,475,374.10
  4. Step 4: Simplify right side
    12,298,814.10x = 101,010,912,275,782.20
  5. Step 5: Solve for x
    x = 101,010,912,275,782.20/12,298,814.10
  6. Step 6: Final answer
    x = 8,213,061.15

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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.