Home / 13,490,946.89-18,617,562.42-7,295,993.47

Finding the Fourth Proportional to 13,490,946.89, 18,617,562.42 and 7,295,993.47

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Solution

The fourth proportional to 13,490,946.89, 18,617,562.42 and 7,295,993.47 is: 10,068,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,946.89 : 18,617,562.42 = 7,295,993.47 : x
  2. Step 2: Convert to fraction form
    13,490,946.89/18,617,562.42 = 7,295,993.47/x
  3. Step 3: Cross multiply
    13,490,946.89x = 18,617,562.42 × 7,295,993.47
  4. Step 4: Simplify right side
    13,490,946.89x = 135,833,613,787,187.50
  5. Step 5: Solve for x
    x = 135,833,613,787,187.50/13,490,946.89
  6. Step 6: Final answer
    x = 10,068,501.12

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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.