Home / 17,118,106.56-25,688,290.32-7,412,197.92

Finding the Fourth Proportional to 17,118,106.56, 25,688,290.32 and 7,412,197.92

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Solution

The fourth proportional to 17,118,106.56, 25,688,290.32 and 7,412,197.92 is: 11,123,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118,106.56 : 25,688,290.32 = 7,412,197.92 : x
  2. Step 2: Convert to fraction form
    17,118,106.56/25,688,290.32 = 7,412,197.92/x
  3. Step 3: Cross multiply
    17,118,106.56x = 25,688,290.32 × 7,412,197.92
  4. Step 4: Simplify right side
    17,118,106.56x = 190,406,692,078,260.12
  5. Step 5: Solve for x
    x = 190,406,692,078,260.12/17,118,106.56
  6. Step 6: Final answer
    x = 11,123,116.42

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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.