Home / 12,230,991.68-16,878,779.34-6,724,460.21

Finding the Fourth Proportional to 12,230,991.68, 16,878,779.34 and 6,724,460.21

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Solution

The fourth proportional to 12,230,991.68, 16,878,779.34 and 6,724,460.21 is: 9,279,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,991.68 : 16,878,779.34 = 6,724,460.21 : x
  2. Step 2: Convert to fraction form
    12,230,991.68/16,878,779.34 = 6,724,460.21/x
  3. Step 3: Cross multiply
    12,230,991.68x = 16,878,779.34 × 6,724,460.21
  4. Step 4: Simplify right side
    12,230,991.68x = 113,500,679,980,806.17
  5. Step 5: Solve for x
    x = 113,500,679,980,806.17/12,230,991.68
  6. Step 6: Final answer
    x = 9,279,761.04

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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.