Home / 11,877,765-16,391,359.44-6,445,257

Finding the Fourth Proportional to 11,877,765, 16,391,359.44 and 6,445,257

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Solution

The fourth proportional to 11,877,765, 16,391,359.44 and 6,445,257 is: 8,894,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,765 : 16,391,359.44 = 6,445,257 : x
  2. Step 2: Convert to fraction form
    11,877,765/16,391,359.44 = 6,445,257/x
  3. Step 3: Cross multiply
    11,877,765x = 16,391,359.44 × 6,445,257
  4. Step 4: Simplify right side
    11,877,765x = 105,646,524,170,176.08
  5. Step 5: Solve for x
    x = 105,646,524,170,176.08/11,877,765
  6. Step 6: Final answer
    x = 8,894,478.39

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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.