Home / 11,907,336.71-17,866,909.98-4,718,711.45

Finding the Fourth Proportional to 11,907,336.71, 17,866,909.98 and 4,718,711.45

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Solution

The fourth proportional to 11,907,336.71, 17,866,909.98 and 4,718,711.45 is: 7,080,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907,336.71 : 17,866,909.98 = 4,718,711.45 : x
  2. Step 2: Convert to fraction form
    11,907,336.71/17,866,909.98 = 4,718,711.45/x
  3. Step 3: Cross multiply
    11,907,336.71x = 17,866,909.98 × 4,718,711.45
  4. Step 4: Simplify right side
    11,907,336.71x = 84,308,792,743,412.55
  5. Step 5: Solve for x
    x = 84,308,792,743,412.55/11,907,336.71
  6. Step 6: Final answer
    x = 7,080,407.21

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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.