Home / 20,955,094.40-31,468,508.40-11,389,156.40

Finding the Fourth Proportional to 20,955,094.40, 31,468,508.40 and 11,389,156.40

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Solution

The fourth proportional to 20,955,094.40, 31,468,508.40 and 11,389,156.40 is: 17,103,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,955,094.40 : 31,468,508.40 = 11,389,156.40 : x
  2. Step 2: Convert to fraction form
    20,955,094.40/31,468,508.40 = 11,389,156.40/x
  3. Step 3: Cross multiply
    20,955,094.40x = 31,468,508.40 × 11,389,156.40
  4. Step 4: Simplify right side
    20,955,094.40x = 358,399,763,842,313.75
  5. Step 5: Solve for x
    x = 358,399,763,842,313.75/20,955,094.40
  6. Step 6: Final answer
    x = 17,103,228.31

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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.