Home / 39,071,966.50-53,919,313.77-21,670,976.26

Finding the Fourth Proportional to 39,071,966.50, 53,919,313.77 and 21,670,976.26

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Solution

The fourth proportional to 39,071,966.50, 53,919,313.77 and 21,670,976.26 is: 29,905,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071,966.50 : 53,919,313.77 = 21,670,976.26 : x
  2. Step 2: Convert to fraction form
    39,071,966.50/53,919,313.77 = 21,670,976.26/x
  3. Step 3: Cross multiply
    39,071,966.50x = 53,919,313.77 × 21,670,976.26
  4. Step 4: Simplify right side
    39,071,966.50x = 1,168,484,168,665,161.25
  5. Step 5: Solve for x
    x = 1,168,484,168,665,161.25/39,071,966.50
  6. Step 6: Final answer
    x = 29,905,947.24

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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.