Home / 15,707,441.48-21,667,412.39-9,426,362.42

Finding the Fourth Proportional to 15,707,441.48, 21,667,412.39 and 9,426,362.42

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Solution

The fourth proportional to 15,707,441.48, 21,667,412.39 and 9,426,362.42 is: 13,003,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707,441.48 : 21,667,412.39 = 9,426,362.42 : x
  2. Step 2: Convert to fraction form
    15,707,441.48/21,667,412.39 = 9,426,362.42/x
  3. Step 3: Cross multiply
    15,707,441.48x = 21,667,412.39 × 9,426,362.42
  4. Step 4: Simplify right side
    15,707,441.48x = 204,244,881,898,775.09
  5. Step 5: Solve for x
    x = 204,244,881,898,775.09/15,707,441.48
  6. Step 6: Final answer
    x = 13,003,064.96

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1.5x scale

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.