Home / 13,471,462.08-20,222,337.60-5,390,140.32

Finding the Fourth Proportional to 13,471,462.08, 20,222,337.60 and 5,390,140.32

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Solution

The fourth proportional to 13,471,462.08, 20,222,337.60 and 5,390,140.32 is: 8,091,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,462.08 : 20,222,337.60 = 5,390,140.32 : x
  2. Step 2: Convert to fraction form
    13,471,462.08/20,222,337.60 = 5,390,140.32/x
  3. Step 3: Cross multiply
    13,471,462.08x = 20,222,337.60 × 5,390,140.32
  4. Step 4: Simplify right side
    13,471,462.08x = 109,001,237,262,412.05
  5. Step 5: Solve for x
    x = 109,001,237,262,412.05/13,471,462.08
  6. Step 6: Final answer
    x = 8,091,270.02

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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.