Home / 13,709,272.61-18,918,796.40-7,598,094.77

Finding the Fourth Proportional to 13,709,272.61, 18,918,796.40 and 7,598,094.77

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Solution

The fourth proportional to 13,709,272.61, 18,918,796.40 and 7,598,094.77 is: 10,485,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,272.61 : 18,918,796.40 = 7,598,094.77 : x
  2. Step 2: Convert to fraction form
    13,709,272.61/18,918,796.40 = 7,598,094.77/x
  3. Step 3: Cross multiply
    13,709,272.61x = 18,918,796.40 × 7,598,094.77
  4. Step 4: Simplify right side
    13,709,272.61x = 143,746,807,848,950.38
  5. Step 5: Solve for x
    x = 143,746,807,848,950.38/13,709,272.61
  6. Step 6: Final answer
    x = 10,485,370.89

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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.