Home / 12,323,628.34-18,487,123.94-5,133,480.73

Finding the Fourth Proportional to 12,323,628.34, 18,487,123.94 and 5,133,480.73

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Solution

The fourth proportional to 12,323,628.34, 18,487,123.94 and 5,133,480.73 is: 7,700,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323,628.34 : 18,487,123.94 = 5,133,480.73 : x
  2. Step 2: Convert to fraction form
    12,323,628.34/18,487,123.94 = 5,133,480.73/x
  3. Step 3: Cross multiply
    12,323,628.34x = 18,487,123.94 × 5,133,480.73
  4. Step 4: Simplify right side
    12,323,628.34x = 94,903,294,465,727.56
  5. Step 5: Solve for x
    x = 94,903,294,465,727.56/12,323,628.34
  6. Step 6: Final answer
    x = 7,700,921.50

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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.