Home / 15,352,608-21,188,465.28-8,914,080

Finding the Fourth Proportional to 15,352,608, 21,188,465.28 and 8,914,080

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Solution

The fourth proportional to 15,352,608, 21,188,465.28 and 8,914,080 is: 12,302,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352,608 : 21,188,465.28 = 8,914,080 : x
  2. Step 2: Convert to fraction form
    15,352,608/21,188,465.28 = 8,914,080/x
  3. Step 3: Cross multiply
    15,352,608x = 21,188,465.28 × 8,914,080
  4. Step 4: Simplify right side
    15,352,608x = 188,875,674,583,142.41
  5. Step 5: Solve for x
    x = 188,875,674,583,142.41/15,352,608
  6. Step 6: Final answer
    x = 12,302,513.98

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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.