Home / 11,877,756.39-16,391,348.78-6,445,248.39

Finding the Fourth Proportional to 11,877,756.39, 16,391,348.78 and 6,445,248.39

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Solution

The fourth proportional to 11,877,756.39, 16,391,348.78 and 6,445,248.39 is: 8,894,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,756.39 : 16,391,348.78 = 6,445,248.39 : x
  2. Step 2: Convert to fraction form
    11,877,756.39/16,391,348.78 = 6,445,248.39/x
  3. Step 3: Cross multiply
    11,877,756.39x = 16,391,348.78 × 6,445,248.39
  4. Step 4: Simplify right side
    11,877,756.39x = 105,646,314,301,997.22
  5. Step 5: Solve for x
    x = 105,646,314,301,997.22/11,877,756.39
  6. Step 6: Final answer
    x = 8,894,467.17

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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.