Home / 13,501,860.12-18,632,421.60-7,306,769.76

Finding the Fourth Proportional to 13,501,860.12, 18,632,421.60 and 7,306,769.76

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Solution

The fourth proportional to 13,501,860.12, 18,632,421.60 and 7,306,769.76 is: 10,083,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,860.12 : 18,632,421.60 = 7,306,769.76 : x
  2. Step 2: Convert to fraction form
    13,501,860.12/18,632,421.60 = 7,306,769.76/x
  3. Step 3: Cross multiply
    13,501,860.12x = 18,632,421.60 × 7,306,769.76
  4. Step 4: Simplify right side
    13,501,860.12x = 136,142,814,702,450.83
  5. Step 5: Solve for x
    x = 136,142,814,702,450.83/13,501,860.12
  6. Step 6: Final answer
    x = 10,083,263.60

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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.