Home / 21,257,224.32-31,890,898.16-6,880,294.56

Finding the Fourth Proportional to 21,257,224.32, 31,890,898.16 and 6,880,294.56

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Solution

The fourth proportional to 21,257,224.32, 31,890,898.16 and 6,880,294.56 is: 10,322,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257,224.32 : 31,890,898.16 = 6,880,294.56 : x
  2. Step 2: Convert to fraction form
    21,257,224.32/31,890,898.16 = 6,880,294.56/x
  3. Step 3: Cross multiply
    21,257,224.32x = 31,890,898.16 × 6,880,294.56
  4. Step 4: Simplify right side
    21,257,224.32x = 219,418,773,123,762
  5. Step 5: Solve for x
    x = 219,418,773,123,762/21,257,224.32
  6. Step 6: Final answer
    x = 10,322,080.15

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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.