Home / 20,155,930.08-30,233,918.60-5,009,861.56

Finding the Fourth Proportional to 20,155,930.08, 30,233,918.60 and 5,009,861.56

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Solution

The fourth proportional to 20,155,930.08, 30,233,918.60 and 5,009,861.56 is: 7,514,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,930.08 : 30,233,918.60 = 5,009,861.56 : x
  2. Step 2: Convert to fraction form
    20,155,930.08/30,233,918.60 = 5,009,861.56/x
  3. Step 3: Cross multiply
    20,155,930.08x = 30,233,918.60 × 5,009,861.56
  4. Step 4: Simplify right side
    20,155,930.08x = 151,467,746,602,309
  5. Step 5: Solve for x
    x = 151,467,746,602,309/20,155,930.08
  6. Step 6: Final answer
    x = 7,514,798.18

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1.5x scale

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.