Home / 12,827,689.37-19,239,128.36-6,436,225.61

Finding the Fourth Proportional to 12,827,689.37, 19,239,128.36 and 6,436,225.61

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Solution

The fourth proportional to 12,827,689.37, 19,239,128.36 and 6,436,225.61 is: 9,653,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827,689.37 : 19,239,128.36 = 6,436,225.61 : x
  2. Step 2: Convert to fraction form
    12,827,689.37/19,239,128.36 = 6,436,225.61/x
  3. Step 3: Cross multiply
    12,827,689.37x = 19,239,128.36 × 6,436,225.61
  4. Step 4: Simplify right side
    12,827,689.37x = 123,827,370,632,528.19
  5. Step 5: Solve for x
    x = 123,827,370,632,528.19/12,827,689.37
  6. Step 6: Final answer
    x = 9,653,131.37

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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.