Home / 20,716,824.80-31,075,237.20-17,528,178.80

Finding the Fourth Proportional to 20,716,824.80, 31,075,237.20 and 17,528,178.80

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Solution

The fourth proportional to 20,716,824.80, 31,075,237.20 and 17,528,178.80 is: 26,292,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,824.80 : 31,075,237.20 = 17,528,178.80 : x
  2. Step 2: Convert to fraction form
    20,716,824.80/31,075,237.20 = 17,528,178.80/x
  3. Step 3: Cross multiply
    20,716,824.80x = 31,075,237.20 × 17,528,178.80
  4. Step 4: Simplify right side
    20,716,824.80x = 544,692,313,894,011.38
  5. Step 5: Solve for x
    x = 544,692,313,894,011.38/20,716,824.80
  6. Step 6: Final answer
    x = 26,292,268.20

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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.