Home / 21,563,809.40-32,336,382.90-8,780,065.40

Finding the Fourth Proportional to 21,563,809.40, 32,336,382.90 and 8,780,065.40

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Solution

The fourth proportional to 21,563,809.40, 32,336,382.90 and 8,780,065.40 is: 13,166,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,809.40 : 32,336,382.90 = 8,780,065.40 : x
  2. Step 2: Convert to fraction form
    21,563,809.40/32,336,382.90 = 8,780,065.40/x
  3. Step 3: Cross multiply
    21,563,809.40x = 32,336,382.90 × 8,780,065.40
  4. Step 4: Simplify right side
    21,563,809.40x = 283,915,556,661,441.69
  5. Step 5: Solve for x
    x = 283,915,556,661,441.69/21,563,809.40
  6. Step 6: Final answer
    x = 13,166,298.75

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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.