Home / 18,580,842.32-27,871,543.62-6,450,690.96

Finding the Fourth Proportional to 18,580,842.32, 27,871,543.62 and 6,450,690.96

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Solution

The fourth proportional to 18,580,842.32, 27,871,543.62 and 6,450,690.96 is: 9,676,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580,842.32 : 27,871,543.62 = 6,450,690.96 : x
  2. Step 2: Convert to fraction form
    18,580,842.32/27,871,543.62 = 6,450,690.96/x
  3. Step 3: Cross multiply
    18,580,842.32x = 27,871,543.62 × 6,450,690.96
  4. Step 4: Simplify right side
    18,580,842.32x = 179,790,714,470,779.69
  5. Step 5: Solve for x
    x = 179,790,714,470,779.69/18,580,842.32
  6. Step 6: Final answer
    x = 9,676,133.70

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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.