Home / 20,127,289.80-30,190,934.70-17,607,865.80

Finding the Fourth Proportional to 20,127,289.80, 30,190,934.70 and 17,607,865.80

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Solution

The fourth proportional to 20,127,289.80, 30,190,934.70 and 17,607,865.80 is: 26,411,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127,289.80 : 30,190,934.70 = 17,607,865.80 : x
  2. Step 2: Convert to fraction form
    20,127,289.80/30,190,934.70 = 17,607,865.80/x
  3. Step 3: Cross multiply
    20,127,289.80x = 30,190,934.70 × 17,607,865.80
  4. Step 4: Simplify right side
    20,127,289.80x = 531,597,926,574,163.25
  5. Step 5: Solve for x
    x = 531,597,926,574,163.25/20,127,289.80
  6. Step 6: Final answer
    x = 26,411,798.70

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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.