Home / 10,115,712.16-13,956,495.80-6,191,377.18

Finding the Fourth Proportional to 10,115,712.16, 13,956,495.80 and 6,191,377.18

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Solution

The fourth proportional to 10,115,712.16, 13,956,495.80 and 6,191,377.18 is: 8,542,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,712.16 : 13,956,495.80 = 6,191,377.18 : x
  2. Step 2: Convert to fraction form
    10,115,712.16/13,956,495.80 = 6,191,377.18/x
  3. Step 3: Cross multiply
    10,115,712.16x = 13,956,495.80 × 6,191,377.18
  4. Step 4: Simplify right side
    10,115,712.16x = 86,409,929,608,885.84
  5. Step 5: Solve for x
    x = 86,409,929,608,885.84/10,115,712.16
  6. Step 6: Final answer
    x = 8,542,149.90

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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.