Home / 10,510,128.92-14,508,860.46-6,158,611.28

Finding the Fourth Proportional to 10,510,128.92, 14,508,860.46 and 6,158,611.28

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Solution

The fourth proportional to 10,510,128.92, 14,508,860.46 and 6,158,611.28 is: 8,501,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510,128.92 : 14,508,860.46 = 6,158,611.28 : x
  2. Step 2: Convert to fraction form
    10,510,128.92/14,508,860.46 = 6,158,611.28/x
  3. Step 3: Cross multiply
    10,510,128.92x = 14,508,860.46 × 6,158,611.28
  4. Step 4: Simplify right side
    10,510,128.92x = 89,354,431,688,902
  5. Step 5: Solve for x
    x = 89,354,431,688,902/10,510,128.92
  6. Step 6: Final answer
    x = 8,501,744.59

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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.