Home / 13,391,642.91-18,462,864.05-9,667,335

Finding the Fourth Proportional to 13,391,642.91, 18,462,864.05 and 9,667,335

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Solution

The fourth proportional to 13,391,642.91, 18,462,864.05 and 9,667,335 is: 13,328,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,642.91 : 18,462,864.05 = 9,667,335 : x
  2. Step 2: Convert to fraction form
    13,391,642.91/18,462,864.05 = 9,667,335/x
  3. Step 3: Cross multiply
    13,391,642.91x = 18,462,864.05 × 9,667,335
  4. Step 4: Simplify right side
    13,391,642.91x = 178,486,691,830,806.75
  5. Step 5: Solve for x
    x = 178,486,691,830,806.75/13,391,642.91
  6. Step 6: Final answer
    x = 13,328,214.70

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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.