Home / 13,391,643.42-18,462,864.74-9,667,335.51

Finding the Fourth Proportional to 13,391,643.42, 18,462,864.74 and 9,667,335.51

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Solution

The fourth proportional to 13,391,643.42, 18,462,864.74 and 9,667,335.51 is: 13,328,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,643.42 : 18,462,864.74 = 9,667,335.51 : x
  2. Step 2: Convert to fraction form
    13,391,643.42/18,462,864.74 = 9,667,335.51/x
  3. Step 3: Cross multiply
    13,391,643.42x = 18,462,864.74 × 9,667,335.51
  4. Step 4: Simplify right side
    13,391,643.42x = 178,486,707,917,328.91
  5. Step 5: Solve for x
    x = 178,486,707,917,328.91/13,391,643.42
  6. Step 6: Final answer
    x = 13,328,215.39

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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.