Home / 42,372,005.10-63,558,007.65-11,666,525.10

Finding the Fourth Proportional to 42,372,005.10, 63,558,007.65 and 11,666,525.10

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Solution

The fourth proportional to 42,372,005.10, 63,558,007.65 and 11,666,525.10 is: 17,499,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372,005.10 : 63,558,007.65 = 11,666,525.10 : x
  2. Step 2: Convert to fraction form
    42,372,005.10/63,558,007.65 = 11,666,525.10/x
  3. Step 3: Cross multiply
    42,372,005.10x = 63,558,007.65 × 11,666,525.10
  4. Step 4: Simplify right side
    42,372,005.10x = 741,501,091,554,717
  5. Step 5: Solve for x
    x = 741,501,091,554,717/42,372,005.10
  6. Step 6: Final answer
    x = 17,499,787.65

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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.