Home / 15,114,157.34-20,856,750.08-8,586,880.88

Finding the Fourth Proportional to 15,114,157.34, 20,856,750.08 and 8,586,880.88

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Solution

The fourth proportional to 15,114,157.34, 20,856,750.08 and 8,586,880.88 is: 11,849,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114,157.34 : 20,856,750.08 = 8,586,880.88 : x
  2. Step 2: Convert to fraction form
    15,114,157.34/20,856,750.08 = 8,586,880.88/x
  3. Step 3: Cross multiply
    15,114,157.34x = 20,856,750.08 × 8,586,880.88
  4. Step 4: Simplify right side
    15,114,157.34x = 179,094,428,333,672.31
  5. Step 5: Solve for x
    x = 179,094,428,333,672.31/15,114,157.34
  6. Step 6: Final answer
    x = 11,849,448.46

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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.