Home / 13,209,266.67-18,228,920.04-7,407,923.85

Finding the Fourth Proportional to 13,209,266.67, 18,228,920.04 and 7,407,923.85

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Solution

The fourth proportional to 13,209,266.67, 18,228,920.04 and 7,407,923.85 is: 10,223,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,266.67 : 18,228,920.04 = 7,407,923.85 : x
  2. Step 2: Convert to fraction form
    13,209,266.67/18,228,920.04 = 7,407,923.85/x
  3. Step 3: Cross multiply
    13,209,266.67x = 18,228,920.04 × 7,407,923.85
  4. Step 4: Simplify right side
    13,209,266.67x = 135,038,451,524,058.94
  5. Step 5: Solve for x
    x = 135,038,451,524,058.94/13,209,266.67
  6. Step 6: Final answer
    x = 10,223,008.96

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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.