Home / 20,953,852.40-31,466,645.40-11,387,914.40

Finding the Fourth Proportional to 20,953,852.40, 31,466,645.40 and 11,387,914.40

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Solution

The fourth proportional to 20,953,852.40, 31,466,645.40 and 11,387,914.40 is: 17,101,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953,852.40 : 31,466,645.40 = 11,387,914.40 : x
  2. Step 2: Convert to fraction form
    20,953,852.40/31,466,645.40 = 11,387,914.40/x
  3. Step 3: Cross multiply
    20,953,852.40x = 31,466,645.40 × 11,387,914.40
  4. Step 4: Simplify right side
    20,953,852.40x = 358,339,464,270,353.75
  5. Step 5: Solve for x
    x = 358,339,464,270,353.75/20,953,852.40
  6. Step 6: Final answer
    x = 17,101,364.34

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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.