Home / 13,709,936.16-20,570,022-7,316,635.32

Finding the Fourth Proportional to 13,709,936.16, 20,570,022 and 7,316,635.32

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Solution

The fourth proportional to 13,709,936.16, 20,570,022 and 7,316,635.32 is: 10,977,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,936.16 : 20,570,022 = 7,316,635.32 : x
  2. Step 2: Convert to fraction form
    13,709,936.16/20,570,022 = 7,316,635.32/x
  3. Step 3: Cross multiply
    13,709,936.16x = 20,570,022 × 7,316,635.32
  4. Step 4: Simplify right side
    13,709,936.16x = 150,503,349,498,377.03
  5. Step 5: Solve for x
    x = 150,503,349,498,377.03/13,709,936.16
  6. Step 6: Final answer
    x = 10,977,684.20

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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.