Home / 21,787,748.70-32,685,929.01-6,435,305.16

Finding the Fourth Proportional to 21,787,748.70, 32,685,929.01 and 6,435,305.16

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Solution

The fourth proportional to 21,787,748.70, 32,685,929.01 and 6,435,305.16 is: 9,654,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,748.70 : 32,685,929.01 = 6,435,305.16 : x
  2. Step 2: Convert to fraction form
    21,787,748.70/32,685,929.01 = 6,435,305.16/x
  3. Step 3: Cross multiply
    21,787,748.70x = 32,685,929.01 × 6,435,305.16
  4. Step 4: Simplify right side
    21,787,748.70x = 210,343,927,617,446.72
  5. Step 5: Solve for x
    x = 210,343,927,617,446.72/21,787,748.70
  6. Step 6: Final answer
    x = 9,654,229.56

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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.