Home / 10,921,541.40-16,380,999.90-4,531,127.40

Finding the Fourth Proportional to 10,921,541.40, 16,380,999.90 and 4,531,127.40

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Solution

The fourth proportional to 10,921,541.40, 16,380,999.90 and 4,531,127.40 is: 6,796,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,541.40 : 16,380,999.90 = 4,531,127.40 : x
  2. Step 2: Convert to fraction form
    10,921,541.40/16,380,999.90 = 4,531,127.40/x
  3. Step 3: Cross multiply
    10,921,541.40x = 16,380,999.90 × 4,531,127.40
  4. Step 4: Simplify right side
    10,921,541.40x = 74,224,397,486,287.27
  5. Step 5: Solve for x
    x = 74,224,397,486,287.27/10,921,541.40
  6. Step 6: Final answer
    x = 6,796,146.69

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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.