Home / 20,544,447.40-28,352,228.64-11,377,090.16

Finding the Fourth Proportional to 20,544,447.40, 28,352,228.64 and 11,377,090.16

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Solution

The fourth proportional to 20,544,447.40, 28,352,228.64 and 11,377,090.16 is: 15,700,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544,447.40 : 28,352,228.64 = 11,377,090.16 : x
  2. Step 2: Convert to fraction form
    20,544,447.40/28,352,228.64 = 11,377,090.16/x
  3. Step 3: Cross multiply
    20,544,447.40x = 28,352,228.64 × 11,377,090.16
  4. Step 4: Simplify right side
    20,544,447.40x = 322,565,861,474,214.19
  5. Step 5: Solve for x
    x = 322,565,861,474,214.19/20,544,447.40
  6. Step 6: Final answer
    x = 15,700,877.96

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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.