Home / 16,620,151.70-22,769,501.65-15,998,636.18

Finding the Fourth Proportional to 16,620,151.70, 22,769,501.65 and 15,998,636.18

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Solution

The fourth proportional to 16,620,151.70, 22,769,501.65 and 15,998,636.18 is: 21,918,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620,151.70 : 22,769,501.65 = 15,998,636.18 : x
  2. Step 2: Convert to fraction form
    16,620,151.70/22,769,501.65 = 15,998,636.18/x
  3. Step 3: Cross multiply
    16,620,151.70x = 22,769,501.65 × 15,998,636.18
  4. Step 4: Simplify right side
    16,620,151.70x = 364,280,972,898,259.69
  5. Step 5: Solve for x
    x = 364,280,972,898,259.69/16,620,151.70
  6. Step 6: Final answer
    x = 21,918,029.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.