Home / 13,349,960.72-18,423,621.48-7,470,254.96

Finding the Fourth Proportional to 13,349,960.72, 18,423,621.48 and 7,470,254.96

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Solution

The fourth proportional to 13,349,960.72, 18,423,621.48 and 7,470,254.96 is: 10,309,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,960.72 : 18,423,621.48 = 7,470,254.96 : x
  2. Step 2: Convert to fraction form
    13,349,960.72/18,423,621.48 = 7,470,254.96/x
  3. Step 3: Cross multiply
    13,349,960.72x = 18,423,621.48 × 7,470,254.96
  4. Step 4: Simplify right side
    13,349,960.72x = 137,629,149,742,132.55
  5. Step 5: Solve for x
    x = 137,629,149,742,132.55/13,349,960.72
  6. Step 6: Final answer
    x = 10,309,329.94

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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.