Home / 13,013,439.50-17,958,548.19-7,212,595.74

Finding the Fourth Proportional to 13,013,439.50, 17,958,548.19 and 7,212,595.74

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Solution

The fourth proportional to 13,013,439.50, 17,958,548.19 and 7,212,595.74 is: 9,953,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,439.50 : 17,958,548.19 = 7,212,595.74 : x
  2. Step 2: Convert to fraction form
    13,013,439.50/17,958,548.19 = 7,212,595.74/x
  3. Step 3: Cross multiply
    13,013,439.50x = 17,958,548.19 × 7,212,595.74
  4. Step 4: Simplify right side
    13,013,439.50x = 129,527,748,171,778.72
  5. Step 5: Solve for x
    x = 129,527,748,171,778.72/13,013,439.50
  6. Step 6: Final answer
    x = 9,953,383.06

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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.