Home / 20,292,075.51-30,448,578.07-9,510,471.69

Finding the Fourth Proportional to 20,292,075.51, 30,448,578.07 and 9,510,471.69

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Solution

The fourth proportional to 20,292,075.51, 30,448,578.07 and 9,510,471.69 is: 14,270,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,075.51 : 30,448,578.07 = 9,510,471.69 : x
  2. Step 2: Convert to fraction form
    20,292,075.51/30,448,578.07 = 9,510,471.69/x
  3. Step 3: Cross multiply
    20,292,075.51x = 30,448,578.07 × 9,510,471.69
  4. Step 4: Simplify right side
    20,292,075.51x = 289,580,339,711,713.62
  5. Step 5: Solve for x
    x = 289,580,339,711,713.62/20,292,075.51
  6. Step 6: Final answer
    x = 14,270,612.17

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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.