Home / 20,100,740.83-30,136,411.77-6,446,114.71

Finding the Fourth Proportional to 20,100,740.83, 30,136,411.77 and 6,446,114.71

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Solution

The fourth proportional to 20,100,740.83, 30,136,411.77 and 6,446,114.71 is: 9,664,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,740.83 : 30,136,411.77 = 6,446,114.71 : x
  2. Step 2: Convert to fraction form
    20,100,740.83/30,136,411.77 = 6,446,114.71/x
  3. Step 3: Cross multiply
    20,100,740.83x = 30,136,411.77 × 6,446,114.71
  4. Step 4: Simplify right side
    20,100,740.83x = 194,262,767,217,214.12
  5. Step 5: Solve for x
    x = 194,262,767,217,214.12/20,100,740.83
  6. Step 6: Final answer
    x = 9,664,458.08

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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.