Home / 18,757,357.10-25,885,152.80-10,172,653.10

Finding the Fourth Proportional to 18,757,357.10, 25,885,152.80 and 10,172,653.10

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Solution

The fourth proportional to 18,757,357.10, 25,885,152.80 and 10,172,653.10 is: 14,038,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,357.10 : 25,885,152.80 = 10,172,653.10 : x
  2. Step 2: Convert to fraction form
    18,757,357.10/25,885,152.80 = 10,172,653.10/x
  3. Step 3: Cross multiply
    18,757,357.10x = 25,885,152.80 × 10,172,653.10
  4. Step 4: Simplify right side
    18,757,357.10x = 263,320,679,874,893.69
  5. Step 5: Solve for x
    x = 263,320,679,874,893.69/18,757,357.10
  6. Step 6: Final answer
    x = 14,038,261.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.