Home / 31,390,119.94-47,087,012.36-9,531,212.26

Finding the Fourth Proportional to 31,390,119.94, 47,087,012.36 and 9,531,212.26

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Solution

The fourth proportional to 31,390,119.94, 47,087,012.36 and 9,531,212.26 is: 14,297,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390,119.94 : 47,087,012.36 = 9,531,212.26 : x
  2. Step 2: Convert to fraction form
    31,390,119.94/47,087,012.36 = 9,531,212.26/x
  3. Step 3: Cross multiply
    31,390,119.94x = 47,087,012.36 × 9,531,212.26
  4. Step 4: Simplify right side
    31,390,119.94x = 448,796,309,492,403.50
  5. Step 5: Solve for x
    x = 448,796,309,492,403.50/31,390,119.94
  6. Step 6: Final answer
    x = 14,297,374.79

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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.