Home / 18,036,653.68-24,889,915-9,776,538.61

Finding the Fourth Proportional to 18,036,653.68, 24,889,915 and 9,776,538.61

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Solution

The fourth proportional to 18,036,653.68, 24,889,915 and 9,776,538.61 is: 13,491,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036,653.68 : 24,889,915 = 9,776,538.61 : x
  2. Step 2: Convert to fraction form
    18,036,653.68/24,889,915 = 9,776,538.61/x
  3. Step 3: Cross multiply
    18,036,653.68x = 24,889,915 × 9,776,538.61
  4. Step 4: Simplify right side
    18,036,653.68x = 243,337,214,997,118.12
  5. Step 5: Solve for x
    x = 243,337,214,997,118.12/18,036,653.68
  6. Step 6: Final answer
    x = 13,491,261.70

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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.