Home / 8,380,322.60-12,579,279.76-7,426,878.08

Finding the Fourth Proportional to 8,380,322.60, 12,579,279.76 and 7,426,878.08

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Solution

The fourth proportional to 8,380,322.60, 12,579,279.76 and 7,426,878.08 is: 11,148,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,322.60 : 12,579,279.76 = 7,426,878.08 : x
  2. Step 2: Convert to fraction form
    8,380,322.60/12,579,279.76 = 7,426,878.08/x
  3. Step 3: Cross multiply
    8,380,322.60x = 12,579,279.76 × 7,426,878.08
  4. Step 4: Simplify right side
    8,380,322.60x = 93,424,777,111,731.66
  5. Step 5: Solve for x
    x = 93,424,777,111,731.66/8,380,322.60
  6. Step 6: Final answer
    x = 11,148,112.26

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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.