Home / 28,557,908.36-42,836,877.90-17,927,805.32

Finding the Fourth Proportional to 28,557,908.36, 42,836,877.90 and 17,927,805.32

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Solution

The fourth proportional to 28,557,908.36, 42,836,877.90 and 17,927,805.32 is: 26,891,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557,908.36 : 42,836,877.90 = 17,927,805.32 : x
  2. Step 2: Convert to fraction form
    28,557,908.36/42,836,877.90 = 17,927,805.32/x
  3. Step 3: Cross multiply
    28,557,908.36x = 42,836,877.90 × 17,927,805.32
  4. Step 4: Simplify right side
    28,557,908.36x = 767,971,207,507,810.38
  5. Step 5: Solve for x
    x = 767,971,207,507,810.38/28,557,908.36
  6. Step 6: Final answer
    x = 26,891,717.62

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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.