Home / 38,609,996.10-53,282,231.91-21,206,746.50

Finding the Fourth Proportional to 38,609,996.10, 53,282,231.91 and 21,206,746.50

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Solution

The fourth proportional to 38,609,996.10, 53,282,231.91 and 21,206,746.50 is: 29,265,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,609,996.10 : 53,282,231.91 = 21,206,746.50 : x
  2. Step 2: Convert to fraction form
    38,609,996.10/53,282,231.91 = 21,206,746.50/x
  3. Step 3: Cross multiply
    38,609,996.10x = 53,282,231.91 × 21,206,746.50
  4. Step 4: Simplify right side
    38,609,996.10x = 1,129,942,785,069,580.75
  5. Step 5: Solve for x
    x = 1,129,942,785,069,580.75/38,609,996.10
  6. Step 6: Final answer
    x = 29,265,550.35

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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.