Home / 38,769,501.72-58,143,048.60-13,209,945.24

Finding the Fourth Proportional to 38,769,501.72, 58,143,048.60 and 13,209,945.24

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Solution

The fourth proportional to 38,769,501.72, 58,143,048.60 and 13,209,945.24 is: 19,811,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769,501.72 : 58,143,048.60 = 13,209,945.24 : x
  2. Step 2: Convert to fraction form
    38,769,501.72/58,143,048.60 = 13,209,945.24/x
  3. Step 3: Cross multiply
    38,769,501.72x = 58,143,048.60 × 13,209,945.24
  4. Step 4: Simplify right side
    38,769,501.72x = 768,066,488,092,658.75
  5. Step 5: Solve for x
    x = 768,066,488,092,658.75/38,769,501.72
  6. Step 6: Final answer
    x = 19,811,100.32

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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.