Home / 12,160,705.90-18,241,270.24-4,480,397.50

Finding the Fourth Proportional to 12,160,705.90, 18,241,270.24 and 4,480,397.50

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Solution

The fourth proportional to 12,160,705.90, 18,241,270.24 and 4,480,397.50 is: 6,720,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160,705.90 : 18,241,270.24 = 4,480,397.50 : x
  2. Step 2: Convert to fraction form
    12,160,705.90/18,241,270.24 = 4,480,397.50/x
  3. Step 3: Cross multiply
    12,160,705.90x = 18,241,270.24 × 4,480,397.50
  4. Step 4: Simplify right side
    12,160,705.90x = 81,728,141,580,120.39
  5. Step 5: Solve for x
    x = 81,728,141,580,120.39/12,160,705.90
  6. Step 6: Final answer
    x = 6,720,674.13

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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.