Home / 13,608,043.10-20,412,064.65-5,087,272.40

Finding the Fourth Proportional to 13,608,043.10, 20,412,064.65 and 5,087,272.40

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Solution

The fourth proportional to 13,608,043.10, 20,412,064.65 and 5,087,272.40 is: 7,630,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,043.10 : 20,412,064.65 = 5,087,272.40 : x
  2. Step 2: Convert to fraction form
    13,608,043.10/20,412,064.65 = 5,087,272.40/x
  3. Step 3: Cross multiply
    13,608,043.10x = 20,412,064.65 × 5,087,272.40
  4. Step 4: Simplify right side
    13,608,043.10x = 103,841,733,120,960.66
  5. Step 5: Solve for x
    x = 103,841,733,120,960.66/13,608,043.10
  6. Step 6: Final answer
    x = 7,630,908.60

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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.