Home / 20,716,867.80-31,075,301.70-17,528,221.80

Finding the Fourth Proportional to 20,716,867.80, 31,075,301.70 and 17,528,221.80

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Solution

The fourth proportional to 20,716,867.80, 31,075,301.70 and 17,528,221.80 is: 26,292,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,867.80 : 31,075,301.70 = 17,528,221.80 : x
  2. Step 2: Convert to fraction form
    20,716,867.80/31,075,301.70 = 17,528,221.80/x
  3. Step 3: Cross multiply
    20,716,867.80x = 31,075,301.70 × 17,528,221.80
  4. Step 4: Simplify right side
    20,716,867.80x = 544,694,780,699,517.06
  5. Step 5: Solve for x
    x = 544,694,780,699,517.06/20,716,867.80
  6. Step 6: Final answer
    x = 26,292,332.70

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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.