Home / 18,529,079.90-25,570,132.65-10,269,675.40

Finding the Fourth Proportional to 18,529,079.90, 25,570,132.65 and 10,269,675.40

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Solution

The fourth proportional to 18,529,079.90, 25,570,132.65 and 10,269,675.40 is: 14,172,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529,079.90 : 25,570,132.65 = 10,269,675.40 : x
  2. Step 2: Convert to fraction form
    18,529,079.90/25,570,132.65 = 10,269,675.40/x
  3. Step 3: Cross multiply
    18,529,079.90x = 25,570,132.65 × 10,269,675.40
  4. Step 4: Simplify right side
    18,529,079.90x = 262,596,962,122,591.12
  5. Step 5: Solve for x
    x = 262,596,962,122,591.12/18,529,079.90
  6. Step 6: Final answer
    x = 14,172,153.37

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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.