Home / 18,116,285.88-25,000,720.84-9,856,446.82

Finding the Fourth Proportional to 18,116,285.88, 25,000,720.84 and 9,856,446.82

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Solution

The fourth proportional to 18,116,285.88, 25,000,720.84 and 9,856,446.82 is: 13,602,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116,285.88 : 25,000,720.84 = 9,856,446.82 : x
  2. Step 2: Convert to fraction form
    18,116,285.88/25,000,720.84 = 9,856,446.82/x
  3. Step 3: Cross multiply
    18,116,285.88x = 25,000,720.84 × 9,856,446.82
  4. Step 4: Simplify right side
    18,116,285.88x = 246,418,275,421,125.75
  5. Step 5: Solve for x
    x = 246,418,275,421,125.75/18,116,285.88
  6. Step 6: Final answer
    x = 13,602,030.63

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1.5x scale

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.