Home / 13,247,602.75-18,282,548.40-7,666,973.80

Finding the Fourth Proportional to 13,247,602.75, 18,282,548.40 and 7,666,973.80

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Solution

The fourth proportional to 13,247,602.75, 18,282,548.40 and 7,666,973.80 is: 10,580,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,602.75 : 18,282,548.40 = 7,666,973.80 : x
  2. Step 2: Convert to fraction form
    13,247,602.75/18,282,548.40 = 7,666,973.80/x
  3. Step 3: Cross multiply
    13,247,602.75x = 18,282,548.40 × 7,666,973.80
  4. Step 4: Simplify right side
    13,247,602.75x = 140,171,819,527,133.94
  5. Step 5: Solve for x
    x = 140,171,819,527,133.94/13,247,602.75
  6. Step 6: Final answer
    x = 10,580,919.59

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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.