Home / 42,285,707.52-63,428,526.72-11,993,832.96

Finding the Fourth Proportional to 42,285,707.52, 63,428,526.72 and 11,993,832.96

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Solution

The fourth proportional to 42,285,707.52, 63,428,526.72 and 11,993,832.96 is: 17,990,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285,707.52 : 63,428,526.72 = 11,993,832.96 : x
  2. Step 2: Convert to fraction form
    42,285,707.52/63,428,526.72 = 11,993,832.96/x
  3. Step 3: Cross multiply
    42,285,707.52x = 63,428,526.72 × 11,993,832.96
  4. Step 4: Simplify right side
    42,285,707.52x = 760,751,154,378,576.75
  5. Step 5: Solve for x
    x = 760,751,154,378,576.75/42,285,707.52
  6. Step 6: Final answer
    x = 17,990,739.64

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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.