Home / 15,352,628-21,188,492.88-8,914,100

Finding the Fourth Proportional to 15,352,628, 21,188,492.88 and 8,914,100

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Solution

The fourth proportional to 15,352,628, 21,188,492.88 and 8,914,100 is: 12,302,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352,628 : 21,188,492.88 = 8,914,100 : x
  2. Step 2: Convert to fraction form
    15,352,628/21,188,492.88 = 8,914,100/x
  3. Step 3: Cross multiply
    15,352,628x = 21,188,492.88 × 8,914,100
  4. Step 4: Simplify right side
    15,352,628x = 188,876,344,381,608
  5. Step 5: Solve for x
    x = 188,876,344,381,608/15,352,628
  6. Step 6: Final answer
    x = 12,302,541.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.