Home / 7,688,806.40-11,525,336.40-4,492,287.20

Finding the Fourth Proportional to 7,688,806.40, 11,525,336.40 and 4,492,287.20

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Solution

The fourth proportional to 7,688,806.40, 11,525,336.40 and 4,492,287.20 is: 6,733,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,806.40 : 11,525,336.40 = 4,492,287.20 : x
  2. Step 2: Convert to fraction form
    7,688,806.40/11,525,336.40 = 4,492,287.20/x
  3. Step 3: Cross multiply
    7,688,806.40x = 11,525,336.40 × 4,492,287.20
  4. Step 4: Simplify right side
    7,688,806.40x = 51,775,121,185,414.09
  5. Step 5: Solve for x
    x = 51,775,121,185,414.09/7,688,806.40
  6. Step 6: Final answer
    x = 6,733,830.78

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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.