Home / 38,462,578.76-53,078,366.28-21,058,928.48

Finding the Fourth Proportional to 38,462,578.76, 53,078,366.28 and 21,058,928.48

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Solution

The fourth proportional to 38,462,578.76, 53,078,366.28 and 21,058,928.48 is: 29,061,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,462,578.76 : 53,078,366.28 = 21,058,928.48 : x
  2. Step 2: Convert to fraction form
    38,462,578.76/53,078,366.28 = 21,058,928.48/x
  3. Step 3: Cross multiply
    38,462,578.76x = 53,078,366.28 × 21,058,928.48
  4. Step 4: Simplify right side
    38,462,578.76x = 1,117,773,519,325,763.75
  5. Step 5: Solve for x
    x = 1,117,773,519,325,763.75/38,462,578.76
  6. Step 6: Final answer
    x = 29,061,325.46

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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.