Home / 28,180,287.42-42,209,696.49-19,032,080.01

Finding the Fourth Proportional to 28,180,287.42, 42,209,696.49 and 19,032,080.01

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Solution

The fourth proportional to 28,180,287.42, 42,209,696.49 and 19,032,080.01 is: 28,507,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,287.42 : 42,209,696.49 = 19,032,080.01 : x
  2. Step 2: Convert to fraction form
    28,180,287.42/42,209,696.49 = 19,032,080.01/x
  3. Step 3: Cross multiply
    28,180,287.42x = 42,209,696.49 × 19,032,080.01
  4. Step 4: Simplify right side
    28,180,287.42x = 803,338,320,795,496.25
  5. Step 5: Solve for x
    x = 803,338,320,795,496.25/28,180,287.42
  6. Step 6: Final answer
    x = 28,507,101.75

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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.