Home / 10,672,928.20-14,718,689.94-9,880,294.60

Finding the Fourth Proportional to 10,672,928.20, 14,718,689.94 and 9,880,294.60

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Solution

The fourth proportional to 10,672,928.20, 14,718,689.94 and 9,880,294.60 is: 13,625,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672,928.20 : 14,718,689.94 = 9,880,294.60 : x
  2. Step 2: Convert to fraction form
    10,672,928.20/14,718,689.94 = 9,880,294.60/x
  3. Step 3: Cross multiply
    10,672,928.20x = 14,718,689.94 × 9,880,294.60
  4. Step 4: Simplify right side
    10,672,928.20x = 145,424,992,733,256.31
  5. Step 5: Solve for x
    x = 145,424,992,733,256.31/10,672,928.20
  6. Step 6: Final answer
    x = 13,625,594.59

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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.