Home / 12,161,526.39-16,782,905.88-6,654,901.69

Finding the Fourth Proportional to 12,161,526.39, 16,782,905.88 and 6,654,901.69

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Solution

The fourth proportional to 12,161,526.39, 16,782,905.88 and 6,654,901.69 is: 9,183,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,526.39 : 16,782,905.88 = 6,654,901.69 : x
  2. Step 2: Convert to fraction form
    12,161,526.39/16,782,905.88 = 6,654,901.69/x
  3. Step 3: Cross multiply
    12,161,526.39x = 16,782,905.88 × 6,654,901.69
  4. Step 4: Simplify right side
    12,161,526.39x = 111,688,588,703,922.94
  5. Step 5: Solve for x
    x = 111,688,588,703,922.94/12,161,526.39
  6. Step 6: Final answer
    x = 9,183,764.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.