Home / 40,001,581.52-55,202,184.36-21,666,867

Finding the Fourth Proportional to 40,001,581.52, 55,202,184.36 and 21,666,867

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Solution

The fourth proportional to 40,001,581.52, 55,202,184.36 and 21,666,867 is: 29,900,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001,581.52 : 55,202,184.36 = 21,666,867 : x
  2. Step 2: Convert to fraction form
    40,001,581.52/55,202,184.36 = 21,666,867/x
  3. Step 3: Cross multiply
    40,001,581.52x = 55,202,184.36 × 21,666,867
  4. Step 4: Simplify right side
    40,001,581.52x = 1,196,058,386,637,600
  5. Step 5: Solve for x
    x = 1,196,058,386,637,600/40,001,581.52
  6. Step 6: Final answer
    x = 29,900,277.47

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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.