Home / 13,365,122.76-18,443,876.94-7,253,551.26

Finding the Fourth Proportional to 13,365,122.76, 18,443,876.94 and 7,253,551.26

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Solution

The fourth proportional to 13,365,122.76, 18,443,876.94 and 7,253,551.26 is: 10,009,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,122.76 : 18,443,876.94 = 7,253,551.26 : x
  2. Step 2: Convert to fraction form
    13,365,122.76/18,443,876.94 = 7,253,551.26/x
  3. Step 3: Cross multiply
    13,365,122.76x = 18,443,876.94 × 7,253,551.26
  4. Step 4: Simplify right side
    13,365,122.76x = 133,783,606,817,421.95
  5. Step 5: Solve for x
    x = 133,783,606,817,421.95/13,365,122.76
  6. Step 6: Final answer
    x = 10,009,904.83

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1.5x scale

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.