Home / 8,331,214.89-12,492,328.95-3,779,780.33

Finding the Fourth Proportional to 8,331,214.89, 12,492,328.95 and 3,779,780.33

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Solution

The fourth proportional to 8,331,214.89, 12,492,328.95 and 3,779,780.33 is: 5,667,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331,214.89 : 12,492,328.95 = 3,779,780.33 : x
  2. Step 2: Convert to fraction form
    8,331,214.89/12,492,328.95 = 3,779,780.33/x
  3. Step 3: Cross multiply
    8,331,214.89x = 12,492,328.95 × 3,779,780.33
  4. Step 4: Simplify right side
    8,331,214.89x = 47,218,259,178,637.91
  5. Step 5: Solve for x
    x = 47,218,259,178,637.91/8,331,214.89
  6. Step 6: Final answer
    x = 5,667,631.89

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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.