Home / 13,766,021.15-20,630,430.73-5,241,707.51

Finding the Fourth Proportional to 13,766,021.15, 20,630,430.73 and 5,241,707.51

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Solution

The fourth proportional to 13,766,021.15, 20,630,430.73 and 5,241,707.51 is: 7,855,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,021.15 : 20,630,430.73 = 5,241,707.51 : x
  2. Step 2: Convert to fraction form
    13,766,021.15/20,630,430.73 = 5,241,707.51/x
  3. Step 3: Cross multiply
    13,766,021.15x = 20,630,430.73 × 5,241,707.51
  4. Step 4: Simplify right side
    13,766,021.15x = 108,138,683,739,967.72
  5. Step 5: Solve for x
    x = 108,138,683,739,967.72/13,766,021.15
  6. Step 6: Final answer
    x = 7,855,478.54

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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.