Home / 21,563,927.40-32,336,559.90-8,780,183.40

Finding the Fourth Proportional to 21,563,927.40, 32,336,559.90 and 8,780,183.40

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Solution

The fourth proportional to 21,563,927.40, 32,336,559.90 and 8,780,183.40 is: 13,166,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,927.40 : 32,336,559.90 = 8,780,183.40 : x
  2. Step 2: Convert to fraction form
    21,563,927.40/32,336,559.90 = 8,780,183.40/x
  3. Step 3: Cross multiply
    21,563,927.40x = 32,336,559.90 × 8,780,183.40
  4. Step 4: Simplify right side
    21,563,927.40x = 283,920,926,447,085.69
  5. Step 5: Solve for x
    x = 283,920,926,447,085.69/21,563,927.40
  6. Step 6: Final answer
    x = 13,166,475.72

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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.