Home / 17,938,953.70-26,904,056.55-5,158,125.70

Finding the Fourth Proportional to 17,938,953.70, 26,904,056.55 and 5,158,125.70

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Solution

The fourth proportional to 17,938,953.70, 26,904,056.55 and 5,158,125.70 is: 7,735,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938,953.70 : 26,904,056.55 = 5,158,125.70 : x
  2. Step 2: Convert to fraction form
    17,938,953.70/26,904,056.55 = 5,158,125.70/x
  3. Step 3: Cross multiply
    17,938,953.70x = 26,904,056.55 × 5,158,125.70
  4. Step 4: Simplify right side
    17,938,953.70x = 138,774,505,524,808.34
  5. Step 5: Solve for x
    x = 138,774,505,524,808.34/17,938,953.70
  6. Step 6: Final answer
    x = 7,735,930.86

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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.