Home / 21,787,780.95-32,685,977.39-6,435,337.41

Finding the Fourth Proportional to 21,787,780.95, 32,685,977.39 and 6,435,337.41

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Solution

The fourth proportional to 21,787,780.95, 32,685,977.39 and 6,435,337.41 is: 9,654,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,780.95 : 32,685,977.39 = 6,435,337.41 : x
  2. Step 2: Convert to fraction form
    21,787,780.95/32,685,977.39 = 6,435,337.41/x
  3. Step 3: Cross multiply
    21,787,780.95x = 32,685,977.39 × 6,435,337.41
  4. Step 4: Simplify right side
    21,787,780.95x = 210,345,293,048,104.50
  5. Step 5: Solve for x
    x = 210,345,293,048,104.50/21,787,780.95
  6. Step 6: Final answer
    x = 9,654,277.94

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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.