Home / 19,857,602.38-29,787,075.54-5,284,536.25

Finding the Fourth Proportional to 19,857,602.38, 29,787,075.54 and 5,284,536.25

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Solution

The fourth proportional to 19,857,602.38, 29,787,075.54 and 5,284,536.25 is: 7,926,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857,602.38 : 29,787,075.54 = 5,284,536.25 : x
  2. Step 2: Convert to fraction form
    19,857,602.38/29,787,075.54 = 5,284,536.25/x
  3. Step 3: Cross multiply
    19,857,602.38x = 29,787,075.54 × 5,284,536.25
  4. Step 4: Simplify right side
    19,857,602.38x = 157,410,880,472,618.31
  5. Step 5: Solve for x
    x = 157,410,880,472,618.31/19,857,602.38
  6. Step 6: Final answer
    x = 7,926,983.20

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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.