Home / 13,709,645.60-18,919,312.72-7,598,468.64

Finding the Fourth Proportional to 13,709,645.60, 18,919,312.72 and 7,598,468.64

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Solution

The fourth proportional to 13,709,645.60, 18,919,312.72 and 7,598,468.64 is: 10,485,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,645.60 : 18,919,312.72 = 7,598,468.64 : x
  2. Step 2: Convert to fraction form
    13,709,645.60/18,919,312.72 = 7,598,468.64/x
  3. Step 3: Cross multiply
    13,709,645.60x = 18,919,312.72 × 7,598,468.64
  4. Step 4: Simplify right side
    13,709,645.60x = 143,757,804,393,273.09
  5. Step 5: Solve for x
    x = 143,757,804,393,273.09/13,709,645.60
  6. Step 6: Final answer
    x = 10,485,887.72

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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.