Home / 12,436,898.45-18,655,347.66-4,858,549.79

Finding the Fourth Proportional to 12,436,898.45, 18,655,347.66 and 4,858,549.79

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Solution

The fourth proportional to 12,436,898.45, 18,655,347.66 and 4,858,549.79 is: 7,287,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,898.45 : 18,655,347.66 = 4,858,549.79 : x
  2. Step 2: Convert to fraction form
    12,436,898.45/18,655,347.66 = 4,858,549.79/x
  3. Step 3: Cross multiply
    12,436,898.45x = 18,655,347.66 × 4,858,549.79
  4. Step 4: Simplify right side
    12,436,898.45x = 90,637,935,362,593.25
  5. Step 5: Solve for x
    x = 90,637,935,362,593.25/12,436,898.45
  6. Step 6: Final answer
    x = 7,287,824.67

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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.